ASTM D6566-00

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:D6566–00
Standard Test Method for
Measuring Mass per Unit Area of Turf Reinforcement Mats
This standard is issued under the fixed designation D 6566; 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 3.2 For definitions of other textile terms used in this test
method, refer to Terminology D 123.
1.1 This test method covers an index to the determination of
3.3 Fordefinitionsofothertermsrelatingtogeotextilesused
mass per unit area of all turf reinforcement mats.
in this test method, refer to Terminology D 4439.
1.2 The values stated in SI units or other units shall be
regarded separately as standard. The values stated in parenthe-
4. Summary of Test Method
ses are provided for information only.
4.1 The mass per unit area of a turf reinforcement mat is
1.3 This standard does not purport to address all of the
determined by weighing test specimens of known dimensions,
safety concerns, if any, associated with its use. It is the
cut from equally spaced distances over the full width of the
responsibility of the user of this standard to establish appro-
laboratory sample. The calculated values are then averaged to
priate safety and health practices and determine the applica-
obtain the mean mass per unit area of the laboratory sample.
bility of regulatory limitations prior to use.
5. Significance and Use
2. Referenced Documents
5.1 This test method is used to determine if the turf
2.1 ASTM Standards:
reinforcement mat meets specifications for mass per unit area.
D 123 Terminology Relating to Textiles
2 This test method can be used for quality control to determine
D 1776 Practice for Conditioning Textiles for Testing
specimen conformance. This measurement allows for a simple
D 4354 Practice for Sampling of Geosynthetics for Testing
3 control of the delivered material by a comparison of the mass
D 4439 Terminology for Geosynthetics
per unit area of the delivered material and the specified mass
D 5261 Test Method for Measuring Mass per Unit Area of
3 per unit area.
Geotextiles
5.2 The procedure in this test method may be used for
2.2 ISO/DIS Document:
4 acceptance testing of commercial shipments, but caution is
9864-1990 Mass per Unit Area of Geotextiles
advised since information about between-laboratory precision
3. Terminology is incomplete. Comparative tests in accordance with 5.2.1 are
advisable.
3.1 Definitions:
5.2.1 In case of a dispute arising from differences in
3.1.1 geosynthetic, n—a planar product manufactured from
reported test results when using the procedures in this test
polymeric material used with soil, rock, earth, or other
method for acceptance testing of commercial shipments, the
geotechnical-engineering-related material as an integral part of
purchaser and the manufacturer should conduct comparative
a man-made project, structure, or system.
tests to determine if there is a statistical bias between their
3.1.2 geotextile, n—any permeable textile used with foun-
laboratories. Competent statistical assistance is recommended
dation, soil, rock, earth, or any other geotechnical-engineering-
for the investigation of bias. As a minimum, the two parties
related material as an integral part of a man-made project,
should take a group of test specimens that are as homogeneous
structure, or system.
as possible and which are from a lot of material of the type in
question. The test specimen should then be randomly assigned
in equal numbers to each laboratory for testing. The average
This test method is under the jurisdiction of ASTM Committee D35 on
results from the two laboratories should be compared using the
Geosynthetics and is the direct responsibility of Subcommittee D35.05 on Geosyn-
appropriate student’s t-test and an acceptable probability level
thetic Erosion Control.
Current edition approved June 10, 2000. Published September 2000.
chosen by the two parties before testing is begun. If a bias is
Annual Book of ASTM Standards, Vol 07.01.
found, either its cause must be found and corrected or the
Annual Book of ASTM Standards, Vol 04.09.
4 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
6. Apparatus the“ as received” wet side. When this is known, a precondi-
tioning cycle, a described in Practice D 1776, may be agreed
6.1 Balance, calibrated, with an acc
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