ASTM D6566-00(2006)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: D6566 − 00(Reapproved 2006)
Standard Test Method for
Measuring Mass per Unit Area of Turf Reinforcement Mats
This standard is issued under the fixed designation D6566; 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 This test method covers an index to the determination of
mass per unit area of all turf reinforcement mats.
3.3 Fordefinitionsofothertermsrelatingtogeotextilesused
in this test method, refer to Terminology D4439.
1.2 The values stated in SI units are to be regarded as
standard. The values given in parentheses are for information
4. Summary of Test Method
only.
1.3 This standard does not purport to address all of the
4.1 The mass per unit area of a turf reinforcement mat is
safety concerns, if any, associated with its use. It is the
determined by weighing test specimens of known dimensions,
responsibility of the user of this standard to establish appro-
cut from equally spaced distances over the full width of the
priate safety and health practices and determine the applica-
laboratory sample. The calculated values are then averaged to
bility of regulatory limitations prior to use.
obtain the mean mass per unit area of the laboratory sample.
2. Referenced Documents
5. Significance and Use
2.1 ASTM Standards:
5.1 This test method is used to determine if the turf
D123 Terminology Relating to Textiles
reinforcement mat meets specifications for mass per unit area.
D1776 Practice for Conditioning and Testing Textiles
This test method can be used for quality control to determine
D4354 Practice for Sampling of Geosynthetics for Testing
specimen conformance. This measurement allows for a simple
D4439 Terminology for Geosynthetics
control of the delivered material by a comparison of the mass
2.2 ISO/DIS Document:
per unit area of the delivered material and the specified mass
9864-1990 Mass per Unit Area of Geotextiles
per unit area.
5.2 The procedure in this test method may be used for
3. Terminology
acceptance testing of commercial shipments, but caution is
3.1 Definitions:
advised since information about between-laboratory precision
3.1.1 geosynthetic, n—a planar product manufactured from
is incomplete. Comparative tests in accordance with 5.2.1 are
polymeric material used with soil, rock, earth, or other
advisable.
geotechnical-engineering-related material as an integral part of
5.2.1 In case of a dispute arising from differences in
a man-made project, structure, or system.
reported test results when using the procedures in this test
3.1.2 geotextile, n—any permeable textile used with
method for acceptance testing of commercial shipments, the
foundation, soil, rock, earth, or any other geotechnical-
purchaser and the manufacturer should conduct comparative
engineering-related material as an integral part of a man-made
tests to determine if there is a statistical bias between their
project, structure, or system.
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
This test method is under the jurisdiction of ASTM Committee D35 on
as possible and which are from a lot of material of the type in
Geosynthetics and is the direct responsibility of Subcommittee D35.05 on Geosyn-
thetic Erosion Control.
question. The test specimen should then be randomly assigned
Current edition approved June 1, 2006. Published June 2006. Originally
in equal numbers to each laboratory for testing. The average
approved in 2000. Last previous edition approved in 2000 as D6566 – 00. DOI:
results from the two laboratories should be compared using the
10.1520/D6566-00R06.
appropriate student’s t-test and an acceptable probability level
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
chosen by the two parties before testing is begun. If a bias is
Standards volume information, refer to the standard’s Document Summary page on
found, either its cause must be found and corrected or the
the ASTM website.
purchaser and the manufacturer must agree to interpret future
Available from American National Standards Institute, 11 W. 42nd St., 13th
Floor, New York, NY 10036. test results in light of the known bias.
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D6566 − 00 (2006)
6. Apparatus tioning cycle, a described in Practice D1776, may be agreed
upon between contractual parties.
6.1 Balance, calibrated, with a
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