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ASTM C1506-01

(Test Method)

Standard Test Method for Water Retention of Hydraulic Cement-Based Mortars and Plasters

Standard Test Method for Water Retention of Hydraulic Cement-Based Mortars and Plasters

SCOPE
1.1 This test method provides for the determination of water retention of hydraulic cement-based mortars and plasters.
1.2 The values stated in SI units are to be regarded as the 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 and health practices and determine the applicability of regulatory limitations prior to use. (Warning—Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure.)

General Information

Status
Historical
Publication Date
09-Aug-2001
ICS
91.100.10 - Cement. Gypsum. Lime. Mortar
Technical Committee
C01 - Cement
Drafting Committee
C01.22 - Workability
Current Stage
Ref Project

Relations

Replaced By
ASTM C1506-03 - Standard Test Method for Water Retention of Hydraulic Cement-Based Mortars and Plasters
Effective Date
10-Jan-2003
Referred By
ASTM C1329/C1329M-23 - Standard Specification for Mortar Cement
Effective Date
10-Aug-2001
Referred By
ASTM C1093-23 - Standard Practice for Accreditation of Testing Agencies for Masonry
Effective Date
10-Aug-2001
Referred By
ASTM C1922-23 - Standard Test Method for Water Retention of Hydraulic Cement-Based Mortars and Plasters by Way of Water Loss
Effective Date
10-Aug-2001
Referred By
ASTM C1328/C1328M-23 - Standard Specification for Plastic (Stucco) Cement
Effective Date
10-Aug-2001
Referred By
ASTM C183/C183M-23 - Standard Practice for Sampling and the Amount of Testing of Hydraulic Cement
Effective Date
10-Aug-2001
Referred By
ASTM C1713-23 - Standard Specification for Mortars for the Repair of Historic Masonry
Effective Date
10-Aug-2001
Referred By
ASTM C91/C91M-23 - Standard Specification for Masonry Cement
Effective Date
10-Aug-2001
Referred By
ASTM C270-19ae1 - Standard Specification for Mortar for Unit Masonry
Effective Date
10-Aug-2001
Referred By
ASTM C1222-23 - Standard Practice for Evaluation of Laboratories Testing Hydraulic Cement
Effective Date
10-Aug-2001

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ASTM C1506-01 - Standard Test Method for Water Retention of Hydraulic Cement-Based Mortars and PlastersASTM C1506-01 - Standard Test Method for Water Retention of Hydraulic Cement-Based Mortars and Plasters
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ASTM C1506-01 - Standard Test Method for Water Retention of Hydraulic Cement-Based Mortars and Plasters
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Standards Content (Sample)


NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: C 1506 – 01
Standard Test Method for
Water Retention of Hydraulic Cement-Based Mortars and
Plasters
This standard is issued under the fixed designation C 1506; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope ability of mortars and plasters to retain water under suction.
Test results may be used to determine compliance with
1.1 This test method provides for the determination of water
specifications.
retention of hydraulic cement-based mortars and plasters.
4.2 The results obtained using this test method can be used
1.2 The values stated in SI units are to be regarded as the
to compare the relative ability of mortars and plasters to retain
standard.
water under suction.
1.3 This standard does not purport to address all of the
4.3 The results obtained using this test method for masonry
safety concerns, if any, associated with its use. It is the
mortars do not necessarily indicate the degree of water
responsibility of the user of this standard to establish appro-
retention when used with masonry units, since the amount of
priate safety and health practices and determine the applica-
water absorbed by the unit depends on the rate of absorption of
bility of regulatory limitations prior to use. (Warning—Fresh
the masonry unit.
hydraulic cementitious mixtures are caustic and may cause
4.4 The results obtained using this test method for plasters
chemical burns to skin and tissue upon prolonged exposure.)
(stucco) do not necessarily indicate the degree of water
2. Referenced Documents retention when the plaster is applied as a second coat on the
surface of a previously applied plaster base coat, since the
2.1 ASTM Standards:
amount of water absorbed from the second coat of plaster
C 109/C 109M Test Method for Compressive Strength of
depends on the rate of absorption of the base coat. This is also
Hydraulic Cement Mortars (Using 2-in. or 50-mm Cube
true when a plaster is applied as a coating on masonry units.
Specimens)
C 185 Test Method for Air Content of Hydraulic Cement
5. Apparatus
Mortar
5.1 Tamper, conforming to Test Method C 109/C 109M.
C 230 Specification for Flow Table for Use in Tests of
3 5.2 Straightedge, conforming to Test Method C 185.
Hydraulic Cement
5.3 Flow Table, conforming to Specification C 230.
C 305 Practice for Mechanical Mixing of Hydraulic Cement
3 5.4 Mixing Apparatus, conforming to the requirements pre-
Pastes and Mortars of Plastic Consistency
scribed in Practice C 305.
C 670 Practice Preparing Precision and Bias Statements for
4 5.5 Filtration Assembly, an apparatus essentially as shown
Test Methods for Construction Materials
in Fig. 1 shall be used. This apparatus consists of a perforated
C 1437 Test Method for Flow of Hydraulic Cement Mortar
dish resting on a funnel, which is connected by a three-way
3. Summary of Test Method
stopcock to a vacuum flask, to which a controlled vacuum is
applied. The perforated dish shall be made of metal not
3.1 The flow of the mortar or plaster is determined. The
attacked by masonry mortar or plaster (Note 1). The metal base
mortar or plaster is then subjected to a controlled vacuum
of the dish shall have a thickness of 1.8 6 0.1 mm and shall
suction for 60 s, after which the flow is again determined. The
conform to the requirements given in Fig. 1. The stopcock bore
water retention is the final flow divided by the initial flow
shall have a 4.0 6 0.5-mm diameter, and the connecting glass
expressed as a percentage.
tubing shall have a minimum inside diameter of 4 mm. The
4. Significance and Use
length of the tubing projecting into the 1-L flask from the
stopcock shall extend at least 25 mm below the center line of
4.1 This test method provides a means for determining the
the vacuum connection. The contact surfaces of the funnel and
perforated dish shall be plane and may need to be lapped to
This test method is under the jurisdiction of ASTM Committee C01 on Cement
ensure intimate contact. An airtight seal shall be maintained
and is the direct responsibility of Subcommittee C01.22 on Workability.
between the funnel and the dish during the test. This shall be
Current edition approved Aug. 10, 2001. Published October 2001.
Section on Safety, Manual of Cement Testing, Annual Book of ASTM
accomplished by either of the following procedures. (1)A
Standards, Vol 04.01.
synthetic (grease-resistant) rubber gasket may be permanently
Annual Book of ASTM Standards, Vol 04.01.
4 sealed to the top of the funnel using petrolatum or light grease
Annual Book of ASTM Standards, Vol 04.02.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
C 1506
NOTE—The gasket is to be synthetic rubber. The stopcock and the bore of the tubing shall be at least 4-mm. A check valve or water trap, or both, is
suggested for the connection to the vacuum source.
FIG. 1 Apparatus Assembly for the Water-Retention Test
NOTE 1—Stainless steel, brass, and bronze are suitable metals for this
to ensure a seal between the gasket and dish. (2) The top of the
purpose.
funnel may be lightly coated with petroleum or light grease to
ensure a seal between the funnel and dish. Care should be taken 5.6 Controlled Vacuum Source:
to ensure that none of the holes in the perforated dish become 5.6.1 A vacuum gage capable of reading at least 70 mm of
clogged. Hardened, smooth, not rapid filter paper shall be used. Hg in 1-mm increments, connected to a miniature vacuum
It shall be 150 mm in diameter and be placed so as to regulator having a maximum 400-mm capacity, which is then
completely cover the perforations in the dish. connected to a vacuum pump or water aspirator as shown in
NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
C 1506
Fig. 1. Connection is mad
...

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3.1 In definitions of cements, ingredients are cited only when they are inherent to the definition, for example portland-pozzolan cement. For ingredients and their quantity limits, if any, that are permitted or prohibited by a specification for a particular cement, see the applicable specification for that cement.  
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4.1 This test method provides a means of determining the compressive strength of hydraulic cement and other mortars and results may be used to determine compliance with specifications. Further, this test method is referenced by numerous other specifications and test methods. Caution must be exercised in using the results of this test method to predict the strength of concretes.
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1.1 This test method covers determination of the compressive strength of hydraulic cement mortars, using 50 mm [2 in.] cube specimens.  
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This test method covers the standard procedure for determination of length changes of expansive cement mortar, while under restraint, due to the development of internal forces resulting from hydration of the cement. The test apparatus is comprised of the following: molds for casting test specimens; restraining cage which consists of a threaded steel rod with steel end plates held in place by cap nuts for corrosion prevention; length comparator; tamper which shall be made of nonabsorptive, nonabrasive material such as medium-hard rubber or seasoned oak wood; device for demolding specimens; weights and weighing devices; glass graduates to measure the mixing water in a single operation; an electrically driven mechanical mixer equipped with paddle and mixing bowl; and trowel which shall have a steel blade with straight edges. The sand to be used shall comply with the graded sand requirement and shall be handled in such a manner as to prevent segregation. Details on preparation and assembly of specimen molds and restraining cage, proportioning and mixing of mortars, molding, and curing of specimens are discussed. The expansion and shrinkage of the test specimens at any age shall be calculated and the length-change data, expressed as linear expansion or contraction based on the length of the specimen at any time of molding, shall be reported. Bias and precision in the batch, single, and multi-laboratory operation shall also be identified.
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1.1 This test method covers the determination of length changes of expansive cement mortar, while under restraint, due to the development of internal forces resulting from hydration of the cement.  
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
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4.1 The autoclave expansion test provides an index of potential delayed expansion caused by the hydration of CaO or MgO, or both, when present in hydraulic cement.3
SCOPE
1.1 This test method covers determination of the expansion of a hardened cement paste when exposed to the autoclave conditions in this method.  
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.  
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ASTM C596-23(Test Method)
Standard Test Method for Drying Shrinkage of Mortar Containing Hydraulic Cement

SIGNIFICANCE AND USE
4.1 This test method establishes a selected set of conditions of temperature, relative humidity and rate of evaporation of the environment to which a mortar specimen of stated composition shall be subjected for a specified period of time during which its change in length is determined and designated “drying shrinkage.”  
4.2 The drying shrinkage of mortar as determined by this test method has a linear relation to the drying shrinkage of concrete made with the same cement and exposed to the same drying conditions.4 Hence this test method may be used when it is desired to develop data on the effect of a hydraulic cement on the drying shrinkage of concrete made with that cement.
SCOPE
1.1 This test method determines the change in length on drying of mortar bars containing hydraulic cement and graded standard sand.  
1.2 The values stated in SI units are to be regarded as standard. When combined standards are referenced, the selection of measurement system is at the user’s discretion subject to the requirements of the referenced 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. Warning—Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure).2  
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