13.080.40 - Hydrological properties of soils

SIST EN ISO 16383-1:2025(Main)

Geotechnical investigation and testing - Laboratory testing of rock - Part 1: Determination of water content (ISO 16383-1:2025)

EN ISO 16383-1:2025

This document specifies a method of determining the water content of rocks.
This document is applicable to the laboratory determination of the water content of a rock test specimen by oven-drying within the scope of geotechnical investigations. The oven-drying method is the definitive procedure used in usual laboratory practice.
The practical procedure for determining the water content of a rock is to determine the mass loss on drying the test specimen to a constant mass in a drying oven controlled at a given temperature. The mass loss is assumed to be due to free water and is referenced to the remaining dry mass of the test specimen.
NOTE This document fulfils the requirements of the determination of water content of rock for geotechnical investigation and testing according to EN 1997-2.

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EN ISO 16383-1:2025(Main)

Geotechnical investigation and testing - Laboratory testing of rock - Part 1: Determination of water content (ISO 16383-1:2025)

SIST EN ISO 16383-1:2025

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Geotechnical investigation and testing - Laboratory testing of rock - Part 1: Determination of water content

ISO 16383-1:2025(Main)

This document specifies a method of determining the water content of rocks. This document is applicable to the laboratory determination of the water content of a rock test specimen by oven-drying within the scope of geotechnical investigations. The oven-drying method is the definitive procedure used in usual laboratory practice. The practical procedure for determining the water content of a rock is to determine the mass loss on drying the test specimen to a constant mass in a drying oven controlled at a given temperature. The mass loss is assumed to be due to free water and is referenced to the remaining dry mass of the test specimen. NOTE This document fulfils the requirements of the determination of water content of rock for geotechnical investigation and testing according to EN 1997-2.

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ASTM D4959-24(Test Method)

Standard Test Method for Determination of Water Content of Soil By Direct Heating

SIGNIFICANCE AND USE
5.1 The water content of a soil is used throughout professional practice both in the laboratory and in the field. The use of Test Methods D2216 for water content determination can be time consuming and there are occasions when a more expedient method is desirable. Drying by direct heating is one such method. Results of this test method have been demonstrated to be of satisfactory accuracy for use in field control testing, such as in the determination of water content, and in the determination of in-place dry unit weight of soils.
5.2 The principal objection to the use of the direct heating for water content determination is the possibility of overheating the soil, thereby yielding a water content higher than would be determined by Test Methods D2216. While not eliminating this possibility, the incremental drying procedure in this test method will reduce its effects. Some heat sources have settings or controls that can also be used to reduce overheating. Loose fitting covers or enclosures can also be used to reduce overheating while assisting in uniform heat distribution.
5.3 The behavior of a soil when subjected to direct heating is dependent on its mineralogical composition, and as a result, no one procedure is applicable for all types of soils or heat sources. The general procedure of this test method applies to all soils, but test details may need to be tailored to the soil being tested.
5.4 When this test method is to be used repeatedly on the same or similar soil from a given site, a correction factor can usually be determined by making several comparisons between the results of this test method and Test Methods D2216. A correction factor is valid when the difference is consistent for several comparisons, and is reconfirmed on a regular specified basis.
5.5 This test method is not appropriate when precise results are required, or when minor variations in water content will affect the results of other test methods, such as borderline situations where...
SCOPE
1.1 This test method covers procedures for determining the water content of soils by drying with direct heat, such as using a hotplate, stove or a blowtorch, where the heat is applied to the container and not directly to the soils.
1.2 This test method can be used as a substitute for Test Methods D2216 when more rapid results are desired to expedite other phases of testing and less accurate results are acceptable.
1.3 When questions of accuracy between this test method and Test Methods D2216 arise, the results of Test Methods D2216 will be used.
1.4 This test method is applicable for most soil types. For some soils, such as those containing significant amounts of halloysite, mica, montmorillonite, gypsum, or other hydrated materials, highly organic soils or soils that contain dissolved solids, (such as salt in the case of marine deposits), this test method may not yield reliable water content values due to the potential for heating above 110°C or lack of means to account for the presence of precipitated solids that were previously dissolved.
1.5 Units—The values stated in SI units are to be regarded as standard. No other units of measure are included in this standard. The sieve designations are identified using the “standard” system in accordance with Specification E11, such as 2.0-mm and 19-mm, followed by the “alternative” system of No. 10 and 3/4-in., respectively, in parentheses. Reporting of test results in units other than SI shall not be regarded as nonconformance with this standard.
1.6 All observed and calculated values must conform to the guidelines for significant digits and rounding established in Practice D6026, unless otherwise superseded by this standard.
1.6.1 The procedures used to specify how data are collected/recorded or calculated, in this standard are regarded as the industry standard. In addition, they are representative of the significant digits that generally should be retained....

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31-Jan-2024
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D18

Standard Practice for Estimating the Degree of Humification of Peat and Other Organic Soils (Visual/Manual Method)

ASTM D5715-23(Practice)

SIGNIFICANCE AND USE
4.1 The purpose of this practice is to standardize the routine description of peat and other organic soils for various uses (such as, peatland inventories and resource evaluations). This practice should be used to supplement other field information, such as, site location, surface morphology, surface vegetation, water table, moisture content, fiber content, wood content, and visually identifiable plant types and parts.
Note 1: This standard is a visual/manual method and is not meant to replace the more precise method of laboratory classification of peat (see Classification D4427). It should also be noted, this practice is independent of the determination of whether an articluar deposit contains peat that is defined in Classification D4427 on the basis of laboratory determination of ash content (see Test Method D2974).
SCOPE
1.1 This practice covers the visual determination of the degree of humification of peat and other highly organic soils by visually evaluating the color of the water expelled upon compression. This practice is not used for the determination of the degree of organic decomposition of organic matter in mineral soils.
1.2 This practice offers a set of instructions for performing one or more specific operations. This document cannot replace education or experience and should be used in conjunction with professional judgment. Not all aspects of this practice may be applicable in all circumstances. This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project’s many unique aspects. The word “Standard” in the title of this document means only that the document has been approved though the ASTM consensus process.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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31-Jan-2023
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D18

EN ISO 17892-1:2014/A1:2022(Amendment)

Geotechnical investigation and testing - Laboratory testing of soil - Part 1: Determination of water content - Amendment 1 (ISO 17892-1:2014/Amd 1:2022)

SIST EN ISO 17892-1:2015/A1:2022

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CEN/TC 341

SIST EN ISO 17892-1:2015/A1:2022(Amendment)

Geotechnical investigation and testing - Laboratory testing of soil - Part 1: Determination of water content - Amendment 1 (ISO 17892-1:2014/Amd 1:2022)

EN ISO 17892-1:2014/A1:2022

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ASTM D8153-22(Test Method)

Standard Test Method for Determination of Soil Water Contents Using a Dielectric Permittivity Probe

SIGNIFICANCE AND USE
5.1 The soil permittivity probe is used for the following purposes:
5.1.1 The test method described is useful as a rapid, nondestructive technique for bulk measurements of the water mass per unit volume of soil and soil-aggregate which may, in conjunction with an independent bulk density determination, be used in the determination of dry density.
5.1.2 The test method is used for quality control and acceptance testing of compacted soil and soil-aggregate mixtures as used in construction and also for research and development. The nondestructive nature allows repetitive measurements at a single test location and statistical analysis of the results.
5.1.3 Volumetric Water Content—The fundamental assumptions inherent in the test method are that the dielectric constants value measured by the system in a given test site composed of soil or soil-aggregate are directly correlated to the volumetric water content of the soil or soil-aggregate, and that the material is homogeneous. (See 6, “Interferences.”)
Note 2: The quality of the result produced by this standard is dependent on the competence of the personnel performing it, and the suitability of the equipment and facilities used. Agencies that meet the criteria of Practice D3740 are generally considered capable of competent and objective testing/sampling/inspection/etc. Users of this standard are cautioned that compliance with Practice D3740 does not in itself assure reliable results. Reliable results depend on many factors; Practice D3740 provides a means of evaluating some of those factors.
SCOPE
1.1 This test method describes the procedures for measuring the water mass per unit volume of soil and soil-aggregate by use of an in situ permittivity probe. Measurements are taken at a depth beneath the surface of the soil determined by the design of the probe.
1.1.1 For limitations see Section 6 on Interferences.
1.2 The permittivity probe is inserted into a hole drilled or punched into the soil being measured. As its name indicates, the probe measures the dielectric permittivity of the soil into which it is placed. Two electrodes, connected to an oscillating circuit, are mounted a predetermined distance apart. These electrodes act as the plates of a capacitor, with the soil between the plates forming the capacitor dielectric.
1.2.1 The probe circuit creates an oscillating electric field in the soil. Changes in the dielectric permittivity of the soil are indicated by changes in the circuit’s operating frequency. Since water has a much higher dielectric constant (80) than the surrounding soil (typically around 4), the water content can be related by a mathematical function to the change in dielectric permittivity, and, consequently, the changes in the circuit’s operating frequency.
1.2.2 The construction, deployment, and operating principle of the device described in this test method differ from other methods that measure the dielectric constant, bulk electrical conductivity, complex impedance, or electromagnetic impedance (see Test Methods D6780/D6780M, D7698, and D7830/D7830M) of the soil and relate the results to water mass per unit volume and/or water content.
1.2.3 The water content of the soil measured by the permittivity probe is the volumetric water content, expressed as the ratio of the volume of water to the total volume occupied by the soil. This quantity is often converted, and displayed, by the probe in units of mass of water per volume of soil, or water mass per unit volume. This conversion is performed by multiplying the water content (in volume of water per volume of soil) by the density of water.
1.3 Water content most prevalent in engineering and construction activities is known as the gravimetric water content, ω, and is the ratio of the mass of the water in pore spaces to the total mass of solids, expressed as a percentage. To determine this quantity, the bulk density of the soil under measurement must ...

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D18

ASTM D5220/D5220M-21(Test Method)

Standard Test Method for Water Mass per Unit Volume of Soil and Rock In-Place by the Neutron Depth Probe Method

SIGNIFICANCE AND USE
5.1 This test method is useful as a rapid, nondestructive technique for the measurement of the in-place water mass per unit volume of soil and rock at desired depths below the surface.
5.2 This test method is useful for informational and research purposes. The information acquired from this test method is best used for quality control and acceptance testing when correlated to actual water mass per unit volume using procedures and methods described in A1.2.3.
5.3 The non-destructive nature of this test method allows repetitive measurements to be made at a single test location for statistical analysis and to monitor changes over time.
5.4 The fundamental assumptions inherent in this test method are that the material under test is homogeneous and hydrogen present is in the form of water as defined by Test Method D2216.
Note 1: The quality of the result produced by this standard test method is dependent on the competence of the personnel performing it, and the suitability of the equipment and facilities used. Agencies that meet the criteria of Practice D3740 are generally considered capable of competent and objective testing/sampling/inspection, and the like. Users of this standard are cautioned that compliance with Practice D3740 does not in itself assure reliable results. Reliable results depend on many factors; Practice D3740 provides a means of evaluating some of those factors.
SCOPE
1.1 This test method covers the measurement of the water mass per unit volume of soil and rock by thermalization or slowing of fast neutrons, where the neutron source and the thermal neutron detector are placed at the desired depth in the bored hole lined by an access tube.
1.1.1 For limitations see Section 6 on Interferences.
1.2 The water mass per unit volume, expressed as mass per unit volume of the material under test, is determined by comparing the thermal neutron count rate with previously established calibration data (see Annex A1).
1.3 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined. Within the text of this standard, SI units appear first followed by the inch-pound (or other non-SI) units in brackets.
1.3.1 Reporting of test results in units other than SI shall not be regarded as nonconformance with this standard.
1.4 All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D6026.
1.4.1 The procedures used to specify how data are collected, recorded, and calculated in this standard are regarded as the industry standard. In addition, they are representative of the significant digits that should generally be retained. The procedures used do not consider material variation, purpose for obtaining the data, special purpose studies, or any considerations for the user’s objectives; and it is common practice to increase or reduce significant digits of reported data to be commensurate with these considerations. It is beyond the scope of this standard to consider significant digits used in analysis methods for engineering design.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific hazards are given in Section 8.
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade ...

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30-Apr-2021
13.080.40
D18

Soil quality - Determination of the water-retention characteristic - Laboratory methods (ISO 11274:2019)

EN ISO 11274:2019(Main)

SIST EN ISO 11274:2020

This document specifies laboratory methods for determination of the soil water-retention characteristic.
This document applies only to measurements of the drying or desorption curve.
Four methods are described to cover the complete range of soil water pressures as follows:
a)    method using sand, kaolin or ceramic suction tables for determination of matric pressures from 0 kPa to −50 kPa;
b)    method using a porous plate and burette apparatus for determination of matric pressures from 0 kPa to −20 kPa;
c)    method using a pressurized gas and a pressure plate extractor for determination of matric pressures from −5 kPa to −1 500 kPa;
d)    method using a pressurized gas and pressure membrane cells for determination of matric pressures from −33 kPa to −1 500 kPa.
Guidelines are given to select the most suitable method in a particular case.

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CEN/TC 444

ASTM D7100-11(2020)(Test Method)

Standard Test Method for Hydraulic Conductivity Compatibility Testing of Soils with Aqueous Solutions

SIGNIFICANCE AND USE
4.1 This test method is used to measure one-dimensional flow of aqueous solutions (for example, landfill leachates, liquid wastes and byproducts, single and mixed chemicals, etc., from hereon referred to as the permeant liquid) through initially saturated soils under an applied hydraulic gradient and effective stress. Interactions between some permeant liquids and some clayey soils have resulted in significant increases in the hydraulic conductivity of the soils relative to the hydraulic conductivity of the same soils permeated with water (1).4 This test method is used to evaluate the presence and effect of potential interactions between the soil specimen being permeated and the permeant liquid on the hydraulic conductivity of the soil specimen. Test programs may include comparisons between the hydraulic conductivity of soils permeated with water relative to the hydraulic conductivity of the same soils permeated with aqueous solutions to determine variations in the hydraulic conductivity of the soils due to the aqueous solutions.
4.2 Flexible-wall hydraulic conductivity testing is used to determine flow characteristics of aqueous solutions through soils. Hydraulic conductivity testing using flexible-wall cells is usually preferred over rigid-wall cells for testing with aqueous solutions due to the potential for sidewall leakage problems with rigid-wall cells. Excessive sidewall leakage may occur, for example, when a test soil shrinks during permeation with the permeant liquid due to interactions between the soil and the permeant liquid in a rigid-wall cell. In addition, the use of a rigid-wall cell does not allow for control of the effective stresses that exist in the test specimen.
4.3 Darcy’s law describes laminar flow through a test soil. Laminar flow conditions and, therefore, Darcy’s law may not be valid under certain test conditions. For example, interactions between a permeating liquid and a soil may cause severe channeling/cracking of the soil such tha...
SCOPE
1.1 This test method covers hydraulic conductivity compatibility testing of saturated soils in the laboratory with aqueous solutions that may alter hydraulic conductivity (for example, waste related liquids) using a flexible-wall permeameter. A hydraulic conductivity test is conducted until both hydraulic and chemical equilibrium are achieved such that potential interactions between the soil specimen being permeated and the aqueous solution are taken into consideration with respect to the measured hydraulic conductivity.
1.2 This test method is applicable to soils with hydraulic conductivities less than approximately 1 × 10–8 m/s.
1.3 In addition to hydraulic conductivity, intrinsic permeability can be determined for a soil if the density and viscosity of the aqueous solution are known or can be determined.
1.4 This test method can be used for all specimen types, including undisturbed, reconstituted, remolded, compacted, etc. specimens.
1.5 A specimen may be saturated and permeated using three methods. Method 1 is for saturation with water and permeation with aqueous solution. Method 2 is for saturation and permeation with aqueous solution. Method 3 is for saturation with water, initial permeation with water, and subsequent permeation with aqueous solution.
1.6 The amount of flow through a specimen in response to a hydraulic gradient generated across the specimen is measured with respect to time. The amount and properties of influent and effluent liquids are monitored during the test.
1.7 The hydraulic conductivity with an aqueous solution is determined using procedures similar to determination of hydraulic conductivity of saturated soils with water as described in Test Methods D5084. Several test procedures can be used, including the falling headwater-rising tailwater, the constant-head, the falling headwater-constant tailwater, or the constant rate-of-flow test procedures.
1.8 Units—The values stat...

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14-Feb-2020
13.080.40
D18

SIST EN ISO 11274:2020(Main)

Soil quality - Determination of the water-retention characteristic - Laboratory methods (ISO 11274:2019)

EN ISO 11274:2019

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ASTM E1521-19(Test Method)

Standard Test Method for Liquid Holding Capacity of Granular Carriers

SIGNIFICANCE AND USE
3.1 This test method has been designed principally for granular carriers with LHC greater than 5.0 %. The incremental amount of suitable fluid added can be adjusted down as needed for carriers with LHC less than 5.0 %.
3.2 This test method has been designed principally for granular carriers with a relatively rapid absorption of liquid. Some materials may absorb liquids more slowly than the described times in the method. If such is the case, the time limit of two (2) min. may be extended.
3.3 This test method is applicable to granules in the range from 4 to 100 mesh (4.75 to 0.150 mm).
SCOPE
1.1 This test method is used to determine the liquid holding capacity (LHC) of granular carriers.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For specific precautionary statements, see Section 5.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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31-Oct-2019
13.080.40
E35

Soil quality - Determination of the water-retention characteristic - Laboratory methods

ISO 11274:2019(Main)

This document specifies laboratory methods for determination of the soil water-retention characteristic. This document applies only to measurements of the drying or desorption curve. Four methods are described to cover the complete range of soil water pressures as follows: a) method using sand, kaolin or ceramic suction tables for determination of matric pressures from 0 kPa to −50 kPa; b) method using a porous plate and burette apparatus for determination of matric pressures from 0 kPa to −20 kPa; c) method using a pressurized gas and a pressure plate extractor for determination of matric pressures from −5 kPa to −1 500 kPa; d) method using a pressurized gas and pressure membrane cells for determination of matric pressures from −33 kPa to −1 500 kPa. Guidelines are given to select the most suitable method in a particular case.

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25 pages
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SIST EN ISO 15175:2019(Main)

Soil quality - Characterization of contaminated soil related to groundwater protection (ISO 15175:2018)

EN ISO 15175:2018

This document provides guidance on the principles behind, and main methods for, the evaluation of sites, soils and soil materials in relation to their role as a source of contamination of groundwater and their function in retaining, releasing and transforming contaminants. It is focused on contaminated land management identifying and listing relevant monitoring strategies, methods for sampling, soil processes and analytical methods.

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Soil quality - Characterization of contaminated soil related to groundwater protection (ISO 15175:2018)

EN ISO 15175:2018(Main)

SIST EN ISO 15175:2019

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CEN/TC 444

Soil quality - Characterization of contaminated soil related to groundwater protection

ISO 15175:2018(Main)

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ASTM D5520-18(Test Method)

Standard Test Method for Laboratory Determination of Creep Properties of Frozen Soil Samples by Uniaxial Compression

SIGNIFICANCE AND USE
5.1 Understanding the mechanical properties of frozen soils is of primary importance to permafrost engineering. Data from creep tests are necessary for the design of most foundation elements embedded in, or bearing on frozen ground. They make it possible to predict the time-dependent settlements of piles and shallow foundations under service loads, and to estimate their short- and long-term bearing capacity. Creep tests also provide quantitative parameters for the stability analysis of underground structures that are created for permanent use.
5.2 It must be recognized that the structure of frozen soil in situ and its behavior under load may differ significantly from that of an artificially prepared specimen in the laboratory. This is mainly due to the fact that natural permafrost ground may contain ice in many different forms and sizes, in addition to the pore ice contained in a small laboratory specimen. These large ground-ice inclusions (such as ice lenses, a dominant horizontal, lens-shaped body of ice of any dimension) will considerably affect the time-dependent behavior of full-scale engineering structures.
5.3 In order to obtain reliable results, high-quality intact representative permafrost samples are required for creep tests. The quality of the sample depends on the type of frozen soil sampled, the in situ thermal condition at the time of sampling, the sampling method, and the transportation and storage procedures prior to testing. The best testing program can be ruined by poor-quality samples. In addition, one must always keep in mind that the application of laboratory results to practical problems requires much caution and engineering judgment.
Note 1: The quality of the result produced by this standard is dependent on the competence of the personnel performing it, and the suitability of the equipment and facilities used. Agencies that meet the criteria of Practice D3740 are generally considered capable of competent and objective testing/sampling...
SCOPE
1.1 This test method covers the determination of the creep behavior of cylindrical specimens of frozen soil, subjected to uniaxial compression. It specifies the apparatus, instrumentation, and procedures for determining the stress-strain-time, or strength versus strain rate relationships for frozen soils under deviatoric creep conditions.
1.2 Although this test method is one that is most commonly used, it is recognized that creep properties of frozen soil related to certain specific applications, can also be obtained by some alternative procedures, such as stress-relaxation tests, simple shear tests, and beam flexure tests. Creep testing under triaxial test conditions will be covered in another standard.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D6026.
1.4.1 For the purposes of comparing, a measured or calculated value(s) with specified limits, the measured or calculated value(s) shall be rounded to the nearest decimal or significant digits in the specified limits.
1.4.2 The procedures used to specify how data are collected/recorded or calculated in this standard are regarded as the industry standard. In addition, they are representative of the significant digits that generally should be retained. The procedures used do not consider material variation, purpose for obtaining the data, special purpose studies, or any considerations for the user’s objectives; and it is common practice to increase or reduce significant digits of reported data to be commensurate with these considerations. It is beyond the scope of this standard to consider significant digits used in analysis methods for engineering design.
1.5 This standard does not purport to address all of the safety concerns, if any, associate...

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14-Nov-2018
13.080.40
D18

Standard Practice for Determining Water Injectivity Through the Use of On-Site Floods

ASTM D4520-18(Practice)

SIGNIFICANCE AND USE
5.1 The injectivity of a water is best determined by measurements as near to the well as possible to minimize changes in water properties due to air contact and time. This practice describes how core flow tests are carried out near the well.
5.2 This practice permits the differentiation of permeability losses from the effects of chemical interaction of water and rock and from the effects of plugging by suspended solids. The procedure can be utilized to estimate the chemical and filtration requirements for the full-scale injection project.
5.3 Application of the test results to injection wells requires consideration of test core selection and geometry effects.
5.4 This practice as described assumes that the water does not contain free oil or other immiscible hydrocarbons. The presence of free oil would require the method to be modified to account for the effect of oil saturation in the test cores on the water permeability.
SCOPE
1.1 This practice covers a procedure for conducting on-site core flood tests to determine the filtration and chemical treatment requirements for subsurface injection of water.2, 3
1.2 This practice applies to water disposal, secondary recovery, and enhanced oil recovery projects and is applicable to injection waters with all ranges of total dissolved solids contents.
1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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13.080.40
D19

ASTM D4944-18(Test Method)

Standard Test Method for Field Determination of Water (Moisture) Content of Soil by the Calcium Carbide Gas Pressure Tester

SIGNIFICANCE AND USE
5.1 The water content of soil is used throughout geotechnical engineering practice, both in the laboratory and in the field. Results are sometimes needed within a short time period and in locations where it is not practical to install an oven or to transport samples to an oven. This test method is used for these occasions.
5.2 The results of this test have been used for field control of compacted embankments or other earth structures such as in the determination of water content for control of soil moisture and dry density within a specified range.
5.3 This test method requires specimens consisting of soil having all particles smaller than the 4.75 mm (No. 4) sieve size.
5.4 This test method may not be as accurate as other accepted methods such as Test Method D2216. Inaccuracies may result because specimens are too small to properly represent the total soil, from clumps of soil not breaking up to expose all the available water to the reagent and from other inherent procedural, equipment or process inaccuracies. Therefore, other methods may be more appropriate when highly accurate results are required, or when the use of test results is sensitive to minor variations in the values obtained.
Note 1: The quality of the result produced by this standard is dependent on the competence of the personnel performing it, and the suitability of the equipment and facilities used. Agencies that meet the criteria of Practice D3740 are generally considered capable of competent and objective testing/sampling/inspection. Users of this standard are cautioned that compliance with Practice D3740 does not in itself ensure reliable results. Reliable results depend on many factors; Practice D3740 provides a means of evaluating some of those factors.
SCOPE
1.1 This test method outlines procedures for determining the water (moisture) content of soil by chemical reaction using calcium carbide as a reagent to react with the available water in the soil producing a gas. A measurement is made of the gas pressure produced when a specified mass of wet or moist soil is placed in a testing device with an appropriate volume of reagent and mixed.
1.2 This test method is not intended as a replacement for Test Method D2216; but as a supplement when rapid results are required, when testing is done in field locations, or where an oven is not practical for use. Test Method D2216 is to be used as the test method to compare for accuracy checks and correction.
1.3 This test method is applicable for most soils. Calcium carbide, used as a reagent, reacts with water as it is mixed with the soil by shaking and agitating with the aid of steel balls in the apparatus. To produce accurate results, the reagent must react with all the water which is not chemically hydrated with soil minerals or compounds in the soil. Some highly plastic clay soils or other soils not friable enough to break up may not produce representative results because some of the water may be trapped inside soil clods or clumps which cannot come in contact with the reagent. There may be some soils containing certain compounds or chemicals that will react unpredictably with the reagent and give erroneous results. Any such problem will become evident as calibration or check tests with Test Method D2216 are made. Some soils containing compounds or minerals that dehydrate with heat (such as gypsum) which are to have special temperature control with Test Method D2216 may not be affected (dehydrated) in this test method.
1.4 This test method is limited to using calcium carbide moisture test equipment made for 20 g, or larger, soil specimens and to testing soil which contains particles no larger than the 4.75 mm (No. 4) Standard sieve size.
1.5 The values stated in SI units are to be regarded as standard. The inch-pound units given in parentheses are mathematical conversions, which are provided for information purposes only and are not considered standard.
...

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14-Feb-2018
13.080.40
D18

ASTM D4643-17(Test Method)

Standard Test Method for Determination of Water Content of Soil and Rock by Microwave Oven Heating

SIGNIFICANCE AND USE
5.1 The water content of a soil is used throughout geotechnical engineering practice both in the laboratory and in the field. The use of Test Method D2216 for water content determination can be time consuming and there are occasions when a more expedient method is desirable. The use of a microwave oven is one such method.
5.2 The principal objection to the use of the microwave oven for water-content determination has been the possibility of overheating the soil, thereby yielding a water content higher than would be determined by Test Method D2216. While not eliminating this possibility, the incremental drying procedure described in this test method will minimize its effects. Some microwave ovens have settings at less than full power, which can also be used to reduce overheating.
5.3 The behavior of a soil, when subjected to microwave energy, is dependent on its mineralogical compositions, and as a result no one procedure is applicable for all types of soil. Therefore, the procedure recommended in this test method is meant to serve as a guide when using the microwave oven.
5.4 This test method is best suited for minus 4.75-mm (No. 4) sieve sized material. Larger size particles can be tested; however, care must be taken because of the increased chance of particle shattering.
5.5 The use of this method may not be appropriate when highly accurate results are required, or the test using the data is extremely sensitive to moisture variations.
5.6 Due to the localized high temperatures that the specimen is exposed to in microwave heating, the physical characteristics of the soil may be altered. Degregation of individual particles may occur, along with vaporization or chemical transition. It is therefore recommended that samples used in this test method not be used for other tests subsequent to drying.
Note 1: The quality of the results produced by this test method is dependent on the competence of the personnel performing it and the suitability of the equi...
SCOPE
1.1 This test method outlines procedures for determining the water content of soils by incrementally drying soil in a microwave oven.
1.2 This test method can be used as a substitute for Test Method D2216 when more rapid results are desired to expedite other phases of testing and slightly less accurate results are acceptable.
1.3 When questions of accuracy between this test method and Test Method D2216 arise, Test Method D2216 shall be the referee method.
1.4 This test method is applicable for most soil types. For some soils, such as those containing significant amounts of halloysite, mica, montmorillonite, gypsum or other hydrated materials, highly organic soils, or soils in which the pore water contains significant amounts of dissolved solids (such as salt in the case of marine deposits), this test method may not yield reliable water content values due to the potential for heating above 110°C or lack of means to account for the presence of precipitated solids that were previously dissolved.
1.5 The values stated in SI units are to be regarded as the standard. Performance of the test method utilizing another system of units shall not be considered non-conformance. The sieve designations are identified using the “standard” system in accordance with Specification E11, such as 2.0-mm and 19-mm, followed by the “alternative” system of No. 10 and 3/4-in., respectively, in parentheses.
1.6 All observed and calculated values shall conform to the guidelines for significant digits and rounding established in Practice D6026, unless otherwise superseded by this standard.
1.6.1 The procedures used to specify how data are collected/recorded or calculated in this standard are regarded as the industry standard. In addition, they are representative of the significant digits that generally should be retained. The procedures used do not consider material variation, purpose for obtaining the data, special purpose studies...

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31-Jan-2017
13.080.40
D18

ASTM D8037/D8037M-16(Practice)

Standard Practice for Direct Push Hydraulic Logging for Profiling Variations of Permeability in Soils

SIGNIFICANCE AND USE
5.1 The injection logging system provides a rapid and efficient way to ascertain the pressure required to inject water into unconsolidated formations at the given flow rate in real time (Fig. 1) (1-4, 7).5 The measured injection pressure and flow rate are then used to assess variations in formation permeability versus depth and infer changes in formation lithology and understand the local hydrostratigraphy (1-4, 8-16). Log interpretation should be confirmed with targeted soil coring adjacent to selected log locations or running logs adjacent to one or more previously logged borings. Practice D3740 was developed for agencies engaged in the testing and/or inspection of soils and rock. As such, it is not totally applicable to agencies performing this practice. However, users of this practice should recognize that the framework of Practice D3740 is appropriate for evaluating the quality of an agency performing this practice. Currently there is no known qualifying national authority that inspects agencies that perform this practice.
SCOPE
1.1 This practice describes a method for rapid delineation of variations in formation permeability in the subsurface using an injection logging tool. Clean water is injected from a port on the side of the probe as it is advanced at approximately 2cm/s into virgin soils. Logging with the injection tool is typically performed with direct push equipment, however other drilling machines may be modified to run the logs by direct push methods (for example, addition of a suitable hammer and/or hydraulic ram systems). Injection logs exceeding 100 ft [30m] depth have been obtained. Direct push methods are not intended to penetrate consolidated rock and may encounter refusal in very dense formations or when cobbles or boulders are encountered in the subsurface. However, injection logging has been performed in some semi-consolidated or soft formations.
1.2 This standard practice describes how to obtain a real time vertical log of injection pressure and flow rate with depth. The data obtained is indicative of the variations of permeability in the subsurface and is typically used to infer formation lithology. The person(s) responsible for review, interpretation and application of the injection logging data should be familiar with the logging technique as well as the soils, geology and hydrogeology of the area under investigation.
1.3 The injection logging system may be operated with a built in electrical conductivity sensor to provide additional real time information on stratigraphy and is essential for targeting test zones. Other sensors, such as fluorescence detectors (Practice D6187), a membrane interface probe (Practice D7352) or a cone penetration tool (Test Method D5778) may be used in conjunction with injection logging to provide additional information. The use of the injection logging tool in concert with an electrical conductivity array or cone penetration tool is highly recommended (although not mandatory) to further define hydrostratigraphic conditions, such as migration pathways, low permeability zones (for example, aquitards) and to guide confirmation sampling. The EC log and injection pressure log may be compared in some settings to identify the presence of ionic contaminants or ionic injectates used for remediation.
1.4 The injection logging system does not provide quantitative permeability or hydraulic conductivity information. However, injection pressure and flow data may be used to provide a qualitative indication of formation permeability. Semi-quantitative values of permeability may be obtained by correlation of injection logging data with other methods (1-4).2 Also, a log of estimated hydraulic conductivity (5) may be calculated for the saturated zone using an empirical model included in some versions of the log viewing software. The data allows for estimates of hydraulic conductivity (K) at the inch-scale using the corrected injection pressure ...

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14-Nov-2016
13.080.40
D18

ASTM D6836-16(Test Method)

Standard Test Methods for Determination of the Soil Water Characteristic Curve for Desorption Using Hanging Column, Pressure Extractor, Chilled Mirror Hygrometer, or Centrifuge

SIGNIFICANCE AND USE
5.1 The soil water characteristic curve (SWCC) is fundamental to hydrological characterization of unsaturated soils and is required for most analyses of water movement in unsaturated soils. The SWCC is also used in characterizing the shear strength and compressibility of unsaturated soils. The unsaturated hydraulic conductivity of soil is often estimated using properties of the SWCC and the saturated hydraulic conductivity.
5.2 This method applies only to soils containing two pore fluids: a gas and a liquid. The liquid is usually water and the gas is usually air. Other liquids may also be used, but caution must be exercised if the liquid being used causes excessive shrinkage or swelling of the soil matrix.
5.3 A full investigation has not been conducted regarding the correlation between soil water characteristic curves obtained using this method and soil water characteristics curves of in-place materials. Thus, results obtained from this method should be applied to field situations with caution and by qualified personnel.
Note 1: The quality of the result produced by this standard depends on the competence of the personnel performing the test and the suitability of the equipment and facilities used. Agencies that meet the criteria of Practice D3740 are generally considered capable of competent and objective testing, sampling, inspection, etc. Users of this standard are cautioned that compliance with Practice D3740 does not in itself ensure reliable results. Reliable results depend on many factors. Practice D3740 provides a means of evaluating some of these factors.
SCOPE
1.1 These test methods cover the determination of soil water characteristic curves (SWCCs) for desorption (drying). SWCCs describe the relationship between suction and volumetric water content, gravimetric water content, or degree of water saturation. SWCCs are also referred to as soil water retention curves, soil water release curves, or capillary pressure curves.
1.2 This standard describes five methods (A-E) for determining the soil water characteristic curve. Method A (hanging column) is suitable for making determinations for suctions in the range of 0 to 80 kPa. Method B (pressure chamber with volumetric measurement) and Method C (pressure chamber with gravimetric measurement) are suitable for suctions in the range of 0 to 1500 kPa. Method D (chilled mirror hygrometer) is suitable for making determinations for suctions in the range of 500 kPa to 100 MPa. Method E (centrifuge method) is suitable for making determinations in the range 0 to 120 kPa. Method A typically is used for coarse soils with little fines that drain readily. Methods B and C typically are used for finer soils, which retain water more tightly. Method D is used when suctions near saturation are not required and commonly is employed to define the dry end of the soil water characteristic curve (that is, water contents corresponding to suctions >1000 kPa). Method E is typically used for coarser soils where an appreciable amount of water can be extracted with suctions up to 120 kPa. The methods may be combined to provide a detailed description of the soil water characteristic curve. In this application, Method A or E is used to define the soil water characteristic curve at lower suctions (0 to 80 kPa for A, 0 to 120 kPa for E) near saturation and to accurately identify the air entry suction, Method B or C is used to define the soil water characteristic curve for intermediate water contents and suctions (100 to 1000 kPa), and Method D is used to define the soil water characteristic curves at low water contents and higher suctions (>1000 kPa).
1.3 All observed and calculated values shall conform to the guide for significant digits and rounding established in Practice D6026. The procedures in Practice D6026 that are used to specify how data are collected, recorded, and calculated are regarded as the industry standard. In addition, they are represe...

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14-Nov-2016
13.080.40
D18

EN ISO 17892-1:2014(Main)

Geotechnical investigation and testing - Laboratory testing of soil - Part 1: Determination of water content (ISO 17892-1:2014)

SIST EN ISO 17892-1:2015

ISO 17892-1:2014 specifies a method of determining the water content of soils.
It is applicable to the laboratory determination of the water (also known as moisture) content of a soil test specimen by oven-drying within the scope of geotechnical investigations. The water content is required as a guide to the classification of natural soils and as a control criterion in re-compacted soils, and is measured on samples used for most field and laboratory tests. The oven-drying method is the definitive procedure used in usual laboratory practice.
The practical procedure for determining the water content of a soil is to determine the mass loss on drying the test specimen to a constant mass in a drying oven controlled at a given temperature. The mass loss is assumed to be due to free water and is referenced to the remaining dry mass of solid particles.

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29-Jun-2015
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13.080.40
93.020
CEN/TC 341

Soil quality - Determination of unsaturated hydraulic conductivity and water-retention characteristic - Wind's evaporation method (ISO 11275:2004)

EN ISO 11275:2014(Main)

SIST EN ISO 11275:2014

ISO 11275:2004 specifies a laboratory method for the simultaneous determination in soils of the unsaturated hydraulic conductivity and of the soil water-retention characteristic. It is applicable only to measurement of the drying or desorption curve. Application of the method is restricted to soil samples which are, as far as possible, homogeneous. The method is not applicable to soils which shrink in the range of matric head 0 cm to -800 cm.
The range of the determination of the conductivity depends on the soil type. It lies between matric heads of approximately -50 cm and -700 cm.
The range of the determination of the water-retention characteristic lies between matric heads of approximately 0 cm and -800 cm.

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29-Sep-2014
13.080.40
CEN/TC 444

Soil quality - Determination of soil water content as a volume fraction using coring sleeves - Gravimetric method (ISO 11461:2001)

EN ISO 11461:2014(Main)

SIST EN ISO 11461:2014

This International Standard specifies a method for the gravimetric determination of soil water content as a volume fraction. The method is applicable to all types of non-swelling or non-shrinking soils where coring sleeves can be used for sampling. It is not applicable to soils where stones, tough roots or other factors prevent collection of soil cores. It is used as a reference method (e.g. the calibration of indirect methods for determination of water content). NOTE The determination of water content as a mass fraction is described in ISO 11465.

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25-Mar-2014
29-Sep-2014
13.080.40
CEN/TC 444

SIST EN ISO 11461:2014(Main)

Soil quality - Determination of soil water content as a volume fraction using coring sleeves - Gravimetric method (ISO 11461:2001)

EN ISO 11461:2014

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SIST EN ISO 11275:2014(Main)

Soil quality - Determination of unsaturated hydraulic conductivity and water-retention characteristic - Wind's evaporation method (ISO 11275:2004)

EN ISO 11275:2014

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SIST ISO 16586:2006/Cor 1:2010(Corrigendum)

Soil quality - Determination of soil water content as a volume fraction on the basis of known dry bulk density - Gravimetric method - Cor 1

ISO 16586:2003/Cor 1:2009

This International Standard specifies a method for the gravimetric determination of soil water content as a volume fraction on the basis of the ratio of measured water content mass to known dry bulk density. This International Standard is applicable to all types of non-swelling or non-shrinking soils. It is used as a reference method (e.g. the calibration of indirect methods for determination of water content).

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ASTM D7664-10(2018)e1(Test Method)

Standard Test Methods for Measurement of Hydraulic Conductivity of Unsaturated Soils

SIGNIFICANCE AND USE
5.1 The hydraulic conductivity function (HCF) is fundamental to hydrological characterization of unsaturated soils and is required for most analyses of water movement in unsaturated soils. For instance, the HCF is a critical parameter to analyze the movement of water during infiltration or evaporation from soil specimens. This is relevant to the evaluation of water movement in landfill cover systems, stiffness changes in pavements due to water movement, recharge of water into aquifers, and extraction of pore water from soils for sampling.
5.2 Examples of HCFs reported in the technical literature are shown in Fig. 1(a), Fig. 1(b), and Fig. 1(c), for clays, silts, and sands, respectively. The decision to report a HCF in terms of suction or volumetric water content depends on the test method and instruments used to measure the HCF. The methods in Categories A and C will provide a HCF in terms of either suction or volumetric water content, while the methods in Category B will provide a HCF in terms of suction.
FIG. 1 Experimental HCFs for Different Soils: (a) k-ψ for Clays; (b) k-θ for Silts; (c) k-θ for Sands (3-14)
5.3 A major assumption involved in measurement of the hydraulic conductivity is that it is used to quantify movement of water in liquid form through unsaturated soils (that is, it is the coefficient of proportionality between liquid water flow and hydraulic gradient). Water can also move through soil in vapor form, but different mechanisms govern impedance of a soil to water vapor flow (diffusion). Accordingly, the HCF is only applicable in engineering practice for degrees of saturation in which the water phase is continuous (that is, no pockets of “unconnected” water). Although this depends on the soil type and texture, this approximately corresponds to degrees of saturation greater than 50 to 60 %.
5.4 The HCFs of soils may be sensitive to the porosity, soil structure, compaction (compaction gravimetric water content and dry unit weight), effe...
SCOPE
1.1 These test methods cover the quantitative measurement of data points suitable for defining the hydraulic conductivity functions (HCF) of unsaturated soils. The HCF is defined as either the relationship between hydraulic conductivity and matric suction or that between hydraulic conductivity and volumetric water content, gravimetric water content, or the degree of saturation. Darcy’s law provides the basis for measurement of points on the HCF, in which the hydraulic conductivity of a soil specimen is equal to the coefficient of proportionality between the flow rate of water through the specimen and the hydraulic gradient across the specimen. To define a point on the HCF, a hydraulic gradient is applied across a soil specimen, the corresponding transient or steady-state water flow rate is measured (or vice versa), and the hydraulic conductivity calculated using Darcy’s law is paired with independent measurements of matric suction or volumetric water content in the soil specimen.
1.2 These test methods describe a family of test methods that can be used to define points on the HCF for different types of soils. Unfortunately, there is no single test that can be applied to all soils to measure the HCF due to testing times and the need for stress control. It is the responsibility of the requestor of a test to select the method that is most suitable for a given soil type. Guidance is provided in the significance and use section of these test methods.
1.3 Similar to the Soil Water Retention Curve (SWRC), defined as the relationship between volumetric water content and matric suction, the HCF may not be a unique function. Both the SWRC and HCF may follow different paths whether the unsaturated soil is being wetted or dried. A test method should be selected which replicates the flow process occurring in the field.
1.4 These test methods describe three categories of methods (Categories A through C) for direct measurement...

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ISO 16586:2003/Cor 1:2009(Corrigendum)

Soil quality - Determination of soil water content as a volume fraction on the basis of known dry bulk density - Gravimetric method - Technical Corrigendum 1

SIST ISO 16586:2006/Cor 1:2010

Corrigendum
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04-May-2009
13.080.40
ISO/TC 190

SIST ISO 16586:2006(Main)

Soil quality -- Determination of soil water content as a volume fraction on the basis of known dry bulk density -- Gravimetric method

ISO 16586:2003

ISO 16586:2003 specifies a method for the gravimetric determination of soil water content as a volume fraction on the basis of the ratio of measured water content mass to known dry bulk density.
ISO 16586:2003 is applicable to all types of non-swelling or non-shrinking soils. It is used as a reference method (e.g. the calibration of indirect methods for determination of water content).

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30-Nov-2006
30-Nov-2006
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SIST ISO 17312:2006(Main)

Soil quality -- Determination of hydraulic conductivity of saturated porous materials using a rigid-wall permeameter

ISO 17312:2005

ISO 17312:2005 specifies the determination of the hydraulic conductivity of granular soils (e.g. sand and gravel) using a constant-head method involving a rigid-wall permeameter to measure the laminar flow of water. The procedure establishes representative values of the hydraulic conductivity of granular soils that can occur in natural deposits as placed in embankments, or when used as base courses under pavements.
In order to limit consolidation influences during testing, this procedure is applicable only to disturbed granular soils containing not more than 10 % soil passing a 75-micrometre sieve.
ISO 17312:2005 is applicable to the measurement of hydraulic conductivity of compacted samples of sands and gravels containing little or no silt, where flow along the rigid wall of the permeameter has no practical implications on the test results. ISO 17312:2005 is not applicable to silt and clay, where seepage/flow at the boundaries is not acceptable.

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30-Nov-2006
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SIST ISO 17313:2006(Main)

Soil quality -- Determination of hydraulic conductivity of saturated porous materials using a flexible wall permeameter

ISO 17313:2004

ISO 17313:2004 specifies a test method for laboratory measurement of the hydraulic conductivity of water-saturated porous materials using a flexible wall permeameter.
ISO 17313:2004 is applicable to undisturbed or compacted specimens that have a hydraulic conductivity between 1 x 10-5 m/s (1 x 10-3 cm/s) and 1 x 10-11 m/s (1 x 10-9 cm/s). Typical soil types falling in this category are clay, clay and sand tills, silt, peat, mud, etc.

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30-Nov-2006
30-Nov-2006
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SIST ISO 10573:2006(Main)

Soil quality -- Determination of water content in the unsaturated zone -- Neutron depth probe method

ISO 10573:1995

Specifies a non-destructive method for the determination of water content in the unsaturated zone of soils using a neutron depth probe. Water content profiles can be obtained by measuring at a series of depths of soil.

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31-Aug-2006
31-Aug-2006
13.080.40
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SIST ISO 11275:2006(Main)

Soil quality -- Determination of unsaturated hydraulic conductivity and water-retention characteristic -- Wind's evaporation method

ISO 11275:2004

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31-Aug-2006
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Soil quality - Determination of hydraulic conductivity of saturated porous materials using a rigid-wall permeameter

ISO 17312:2005(Main)

SIST ISO 17312:2006

ISO 17312:2005 specifies the determination of the hydraulic conductivity of granular soils (e.g. sand and gravel) using a constant-head method involving a rigid-wall permeameter to measure the laminar flow of water. The procedure establishes representative values of the hydraulic conductivity of granular soils that can occur in natural deposits as placed in embankments, or when used as base courses under pavements. In order to limit consolidation influences during testing, this procedure is applicable only to disturbed granular soils containing not more than 10 % soil passing a 75-micrometre sieve. ISO 17312:2005 is applicable to the measurement of hydraulic conductivity of compacted samples of sands and gravels containing little or no silt, where flow along the rigid wall of the permeameter has no practical implications on the test results. ISO 17312:2005 is not applicable to silt and clay, where seepage/flow at the boundaries is not acceptable.

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15-Mar-2005
13.080.40
ISO/TC 190

Soil quality - Determination of hydraulic conductivity of saturated porous materials using a flexible wall permeameter

ISO 17313:2004(Main)

SIST ISO 17313:2006

ISO 17313:2004 specifies a test method for laboratory measurement of the hydraulic conductivity of water-saturated porous materials using a flexible wall permeameter. ISO 17313:2004 is applicable to undisturbed or compacted specimens that have a hydraulic conductivity between 1 x 10-5 m/s (1 x 10-3 cm/s) and 1 x 10-11 m/s (1 x 10-9 cm/s). Typical soil types falling in this category are clay, clay and sand tills, silt, peat, mud, etc.

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07-Jul-2004
13.080.40
ISO/TC 190

Soil quality - Determination of unsaturated hydraulic conductivity and water-retention characteristic - Wind's evaporation method

ISO 11275:2004(Main)

SIST ISO 11275:2006

ISO 11275:2004 specifies a laboratory method for the simultaneous determination in soils of the unsaturated hydraulic conductivity and of the soil water-retention characteristic. It is applicable only to measurement of the drying or desorption curve. Application of the method is restricted to soil samples which are, as far as possible, homogeneous. The method is not applicable to soils which shrink in the range of matric head 0 cm to -800 cm. The range of the determination of the conductivity depends on the soil type. It lies between matric heads of approximately -50 cm and -700 cm. The range of the determination of the water-retention characteristic lies between matric heads of approximately 0 cm and -800 cm.

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01-Jul-2004
13.080.40
ISO/TC 190

Soil quality - Determination of soil water content as a volume fraction on the basis of known dry bulk density - Gravimetric method

ISO 16586:2003(Main)

SIST ISO 16586:2006

ISO 16586:2003 specifies a method for the gravimetric determination of soil water content as a volume fraction on the basis of the ratio of measured water content mass to known dry bulk density. ISO 16586:2003 is applicable to all types of non-swelling or non-shrinking soils. It is used as a reference method (e.g. the calibration of indirect methods for determination of water content).

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07-Apr-2003
13.080.40
ISO/TC 190

SIST ISO 11461:2002(Main)

Soil quality -- Determination of soil water content as a volume fraction using coring sleeves -- Gravimetric method

ISO 11461:2001

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31-Oct-2002
13.080.40
KAT

Soil quality - Soil water and the unsaturated zone - Definitions, symbols and theory

ISO 15709:2002(Main)

ISO 15709:2002 gives a simplified theory of the physics of soil water in the unsaturated zone and defines a set of terms, quantities, units and symbols used in the field of soil physics investigation of the unsaturated zone. ISO 15709:2002 is applicable only to standards on soil physical investigations of the unsaturated zone (including swelling soils) elaborated within ISO/TC 190. ISO 15709:2002 specifically excludes macropore flow.

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14-Aug-2002
13.080.40
ISO/TC 190

Soil quality - Determination of soil water content as a volume fraction using coring sleeves - Gravimetric method

ISO 11461:2001(Main)

SIST ISO 11461:2002

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SIST ISO 11276:1998(Main)

Soil quality -- Determination of pore water pressure -- Tensiometer method

ISO 11276:1995

Describes methods for the determination of pore water pressure (point measurements) in unsaturated and saturated soil using tensiometers. Applicable for in situ measurements in the field and, e. g. soil cores, used in experimental examinations.

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31-Dec-1997
13.080.40
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Soil quality - Determination of water content in the unsaturated zone - Neutron depth probe method

ISO 10573:1995(Main)

SIST ISO 10573:2006

Standard
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Standard
13 pages
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Standard
18 pages
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Standard
18 pages
French language
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Soil quality - Determination of pore water pressure - Tensiometer method

ISO 11276:1995(Main)

SIST ISO 11276:1998

Standard
20 pages
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Standard
20 pages
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Standard
21 pages
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Geotechnical investigation and testing - Geohydraulic testing - Part 2: Water permeability tests in a borehole without packer (ISO/DIS 22282-2:2008)

prEN ISO 22282-2(Main)

oSIST prEN ISO 22282-2:2008

2010-07-09 EMA: ISO/CS confirmed that no text has been received, WI deleted following the 3-year timeframe exercise.

Draft
32 pages
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Geotechnical investigation and testing - Geohydraulic testing - Part 1: General rules (ISO/DIS 22282-1:2008)

prEN ISO 22282-1(Main)

oSIST prEN ISO 22282-1:2008

2010-07-09 EMA: ISO/CS confirmed that no text has been received, WI deleted following the 3-year timeframe exercise.

Draft
33 pages
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Geotechnical investigation and testing - Geohydraulic testing - Part 3: Water pressure test in rock (ISO/DIS 22282-3:2007)

prEN ISO 22282-3(Main)

oSIST prEN ISO 22282-3:2008

2010-07-09 EMA: ISO/CS confirmed that no text has been received, WI deleted following the 3-year timeframe exercise.

Draft
31 pages
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