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ASTM D6524-00(2006)

(Test Method)

Standard Test Method for Measuring the Resiliency of Turf Reinforcement Mats (TRMs)

Standard Test Method for Measuring the Resiliency of Turf Reinforcement Mats (TRMs)

SIGNIFICANCE AND USE
Resiliency may be used to control the quality of many TRMs. Resiliency may be indicative of a TRM’ability to retain original configuration after exposure to the stresses which may be exerted during manufacture, shipping, and installation. Resiliency is not generally indicative of field performance.
The resiliency of TRMs may vary considerably depending on the pressure applied to the specimen during loading cycles. To minimize variation, specific sample size and applied pressure are indicated in this test method to ensure all results are comparable.
To determine the effect of different pressure loadings on the final thickness of TRMs, use this test method.
This test method may be used for acceptance testing of commercial shipments of TRMs, but caution is advised since information on between-laboratory precision is incomplete. Comparative tests, in accordance with 5.4.1 may be advisable.
5.4.1 In a case of a dispute arising from differences in reported test results when using this test method for acceptance testing of commercial shipments, the purchaser and the supplier should conduct comparative tests to determine if there is a statistical bias between their laboratories. Competent statistical assistance is recommended for the investigation of bias. As a minimum, the two parties should take a group of test specimens that are as homogeneous as possible and that are formed from a lot of material of the type in question. The test specimens should be randomly assigned in equal numbers to each laboratory for testing. The average results from the two laboratories should be compared using Student’t-test for unpaired date and an acceptable probability level chosen by the two begun. If bias is found, either its cause must corrected, or the purchaser and be found and interpret future tests in supplier must agree to the light of the known bias.
Note 1—The user should be aware that the compressibility of the materials, their rebound characteristics, and the like will ...
SCOPE
1.1 This test method covers the resiliency or recovery of turf reinforcement mats (TRMs) after they have been subjected to three cycles of loading at 689 kPa (100 psi) for 1 min/per cycle.
1.2 This test method does not provide resiliency values for TRMs under variable normal compressive stresses. This test method determines nominal resiliency.
1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
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.

General Information

Status
Historical
Publication Date
31-May-2006
ICS
65.020.20 - Plant growing
Technical Committee
D35 - Geosynthetics
Drafting Committee
D35.05 - Geosynthetic Erosion Control
Current Stage
Ref Project

Relations

Replaces
ASTM D6524-00 - Standard Test Method for Measuring the Resiliency of Turf Reinforcement Mats (TRMs)
Effective Date
01-Jun-2006
Replaced By
ASTM D6524-00(2011) - Standard Test Method for Measuring the Resiliency of Turf Reinforcement Mats (TRMs)
Effective Date
01-Jun-2011

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ASTM D6524-00(2006) - Standard Test Method for Measuring the Resiliency of Turf Reinforcement Mats (TRMs)ASTM D6524-00(2006) - Standard Test Method for Measuring the Resiliency of Turf Reinforcement Mats (TRMs)
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ASTM D6524-00(2006) - Standard Test Method for Measuring the Resiliency of Turf Reinforcement Mats (TRMs)
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D6524–00 (Reapproved 2006)
Standard Test Method for
Measuring the Resiliency of Turf Reinforcement Mats
(TRMs)
This standard is issued under the fixed designation D6524; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3.2 For definitions of other textile terms used in this test
method, refer to Terminology D123.
1.1 Thistestmethodcoverstheresiliencyorrecoveryofturf
3.3 For definitions of other terms relating to geotextiles and
reinforcement mats (TRMs) after they have been subjected to
geomembranes used in this test method, refer to Terminology
threecyclesofloadingat689kPa(100psi)for1min/percycle.
D4439.
1.2 This test method does not provide resiliency values for
TRMs under variable normal compressive stresses. This test
4. Summary of Test Method
method determines nominal resiliency.
4.1 The nominal resiliency of TRMs is determined by
1.3 The values stated in SI units are to be regarded as
observing the thickness of the TRM before and after it is
standard. The values given in parentheses are for information
subjected to three cycles of loading at 689 kPa (100 psi) for 1
only.
min/cycle.
1.4 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
5. Significance and Use
responsibility of the user of this standard to establish appro-
5.1 Resiliency may be used to control the quality of many
priate safety and health practices and determine the applica-
TRMs. Resiliency may be indicative of a TRM’s ability to
bility of regulatory limitations prior to use.
retain original configuration after exposure to the stresses
2. Referenced Documents which may be exerted during manufacture, shipping, and
2 installation. Resiliency is not generally indicative of field
2.1 ASTM Standards:
performance.
D123 Terminology Relating to Textiles
5.2 The resiliency of TRMs may vary considerably depend-
D4354 Practice for Sampling of Geosynthetics for Testing
ing on the pressure applied to the specimen during loading
D4439 Terminology for Geosynthetics
cycles.To minimize variation, specific sample size and applied
3. Terminology pressure are indicated in this test method to ensure all results
are comparable.
3.1 Definitions:
5.3 To determine the effect of different pressure loadings on
3.1.1 pressure, n—the force or load per unit area.
the final thickness of TRMs, use this test method.
3.1.2 thickness—(1) the distance between one planar sur-
5.4 This test method may be used for acceptance testing of
face and its opposite parallel and planar surface; (2) forTRMs,
commercial shipments of TRMs, but caution is advised since
the distance between the upper and lower surfaces of the
information on between-laboratory precision is incomplete.
material, measured under a specified pressure and time.
Comparative tests, in accordance with 5.4.1 may be advisable.
3.1.3 turf reinforcement mat (TRM), n—a long-term nonde-
5.4.1 In a case of a dispute arising from differences in
gradable rolled erosion control product composed of UV
reported test results when using this test method for acceptance
stabilized, nondegradable, synthetic fibers, nettings, or fila-
testing of commercial shipments, the purchaser and the sup-
ments, or combination thereof, processed into three-
plier should conduct comparative tests to determine if there is
dimensional reinforcement matrices.
a statistical bias between their laboratories. Competent statis-
tical assistance is recommended for the investigation of bias.
This test method is under the jurisdiction of ASTM Committee D35 on
As a minimum, the two parties should take a group of test
Geosynthetics and is the direct responsibility of Subcommittee D35.05 on Geosyn-
specimens that are as homogeneous as possible and that are
thetic Erosion Control.
Current edition approved June 1, 2006. Published June 2006. Originally formed from a lot of material of the type in question. The test
approved in 2000. Last previous edition approved in 2000 as D6524 – 00. DOI:
specimens should be randomly assigned in equal numbers to
10.1520/D6524-00R06.
each laboratory for testing. The average results from the two
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
laboratories should be compared using Student’s t-test for
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
unpaireddateandanacceptableprobabilitylevelchosenbythe
the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
D6524–00 (2006)
two begun. If bias is found, either its cause must corrected, or
n 5 ~tV/A! (1)
thepurchaserandbefoundandinterpretfuturetestsinsupplier
where:
must agree to the light of the known bias.
n = number of test specimens (rounded upward to a whole
NOTE 1—The user should be aware that the compressibility of the number),
materials, their rebound characteristics, and the like will also be affected v = reliable estimate of the coefficient of variation of
by the thickness of the TRMs following the time when they are rolled up
individual observations on similar materials in the
on rolls shipped and stored.
user’s laboratory under conditions of single-operation
precision, %,
6. Apparatus
t = value of Student’s t for one-sided limits (see Table 1),
a 95 % probability level, and the degrees of freedom
6.1 Thickness Testing Instrument—The thickness gauge
associated with the estimate of v, and
shallhaveabase(oranvil)andafree-movingpresserfootplate
A = 5.0 % of the average, the value of the allowable
whose planar faces are parallel to each other to <0.1 mm. A
variation.
gauge with a 150-mm (6-in.) diameter presser foot, the base
7.5.2 No Reliable Estimate of v—When there is no reliable
shall extend at least 10 mm in all directions further than the
estimate of v for the user’s laboratory, Eq 1 should not be used
edge of the approximately 17 500-mm circular presser foot,
directly. Instead, specify the fixed number (10) of specimens.
shall be used for measurements
...

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5.2 The light penetration of RECPs may vary considerably, depending on the composite materials used in the matrix of the mat or due to inconsistency within a given mat. To minimize variation, specific sample size and procedures are indicated in this test method to help ensure comparable results.  
5.3 This test method may be used to determine the effect of different composite materials and makeup of RECPs on the penetration of light.  
5.4 This test method may be used for acceptance testing of commercial shipments of RECPs. Comparative tests as directed in 5.4.1 may be advisable.  
5.4.1 In case of a dispute arising from differences in reported test results when using this test method for acceptance testing of commercial shipments, the purchaser and the supplier should conduct comparative tests to determine if there is a statistical bias between their laboratories. Competent statistical assistance is recommended for the investigation of bias. At a minimum, the two parties should take a group of test specimens that are as homogeneous as possible and that are formed from a lot of material of the type in question. The test specimens should be randomly assigned in equal numbers to each laboratory for testing. The average results from the two laboratories should be compared using Student’s t-test for unpaired data and an acceptable probability level chosen by the two begun. If bias is found, either its cause must be corrected, or the purchaser and supplier must agree upon the known bias.
Note 1: The light penetration has no definitive relationship to the amount of ground cover provided by a RECP, as the amount of light penetration may include light passing through translucent elements or light deflecting off of elements of the RECP structure. Thus, this test method is not intended to be used to determine a...
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1.1 This test method covers measuring the amount of light that penetrates through a rolled erosion control product.  
1.2 This test method does not provide light penetration values for RECPs under variable normal sun and soil conditions. This test method determines nominal light penetration.  
1.3 This test method is not to be used to determine a percent ground cover value for RECPs, as the amount of light penetration may include light passing through translucent material or reflecting off surfaces.  
1.4 The values stated as a percentage are to be regarded as the standard. The values provided in footcandles are for information only.  
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.  
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 Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM D8270-23b(Terminology)
Standard Terminology Relating to Cannabis

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1.1 This terminology is a compilation of definitions of technical terms used in the cannabis industry. Terms that are generally understood or adequately defined in other readily available sources are not included.  
1.2 When a term is used in an ASTM document for which Committee D37 is responsible it is included only when judged, after review by Subcommittee D37.91, to be a generally usable term.  
1.3 Definitions that are identical to those published by other ASTM committees or other standards organizations are identified with the committee number (for example, D20) or with the abbreviation of the name of the organization (for example, IUPAC, International Union of Pure and Applied Chemistry).  
1.4 A definition is a single sentence with additional information included in discussions.  
1.5 Definitions are followed by the committee responsible for the standard(s) (for example, [D37.01]) and standard designation(s) in which they are used (for example, D8219).  
1.6 Abbreviated Terminology:  
1.6.1 Abbreviated terminology is intended to provide uniform contractions of terms relating to cannabis that have evolved through widespread common usage. The compilation in this standard has been prepared to avoid the occurrence of more than one abbreviated term for a given cannabis term and to avoid multiple meanings for abbreviated terms.  
1.6.2 The abbreviated terminology and descriptions in this standard are intended to be consistent with usage in the cannabis industry and the standards under D37 jurisdiction. Other ASTM committees may assign a different word-phrase description to the same abbreviated terminology. In such cases, the abbreviated terms in this standard shall apply to usage in D37 standards, or if widespread misunderstanding could result from conflicting abbreviated terminology descriptions, the abbreviated terminology for the word-phrase shall not be used in D37 standards.  
1.6.3 Acronyms and Initialisms—A word formed from the letters or parts of words of a longer word-phrase, usually from the initial letters or parts of the words. An acronym is pronounced as a word (for example, radar for radio detection and ranging). An initialism is pronounced as a series of letters (for example, DOT for Department of Transportation).  
1.6.4 The acronym or initialism description is the origin word-phrase for the acronym or initialism, not a definition.  
1.7 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.  
1.8 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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