ASTM D4595 PDF

This standard is issued under the fixed designation D ; the number immediately 1 This test method is under the jurisdiction of ASTM Committee D35 on. Designation: D – 09Standard Test Method for TE D Tensile Properties of Geotextiles by the Wide-Width Strip. ASTM D measures the tensile properties of geotextiles using a wide-width strip specimen tensile method. ASTM D is applicable to most geotextiles.

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Number each specimen and then cut it crosswise into two parts, one for determining the conditioned tensile strength and the other for determining the wet tensile strength; each portion shall bear the specimen number.

The determination of the wide-width strip force elongation properties of geotextiles asym design parameters for reinforcement type applications. In some cases, it may also be caused by a concentration of stress in the area adjacent to the jaws because they prevent the specimen from contracting in width as the force is applied. Measure the elongation to three signi? G90 Mechanical Vice Grip. Link to Active This link will always route to the current Active version of the standard.

In these cases, a break near the edge of the jaws is inevitable and shall be accepted as a characteristic of the particular method of test. In cases of dispute, take a sample that will exclude fabric from the outer wrap of the roll or the inner wrap around the core.

In those cases, mm 4-in. The intersection point A9 is the zero elongation point from which elongation is measured. In this case, the line extends through the zero force axis at point B9.

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When strength is not necessarily a design consideration, an alternative test method may be used for acceptance testing. Summary of Method 4.

This is extended to intersect the zero elongation axis at point B8. We offer machines, apparatus, testers, tensile grips, test fixtures, clamps, holders, jigs, faces, jaws, extensometers, environmental and humidity chambers, furnaces, baths and custom solutions for unique applications.

The task group is continuing further interlaboratory testing.

NOTE 2—For geotextiles which shrink excessively when wet, cut the test specimens for obtaining wet tensile strength longer in dimension than that for dry tensile strength.

In the absence of other criteria for rejecting a so-called jaw break, any break occurring within 5 mm 1? Some modification of clamping techniques may be necessary for a given geotextile depending upon its structure. It is the intent of the task group to include the above mentioned clari? Further use of this table is de? NOTE 4—It is recognized that some tensile tests on geotextiles are conducted using a manually applied strain rate.

It is used with a constant rate of extension-type tension apparatus.

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This intersection is the zero elongation point from which elongation is measured. This test method is applicable to most geotextiles that include woven sstm, nonwoven fabrics, layered fabrics, knit fabrics, and felts that are used for geotextile application.

This intersection, point B, is the zero elongation point from which elongation is measured.

Link to Active This link will always route to the current Active version of the standard. ASTM D is applicable to most geotextiles that include woven fabrics, nonwoven fabrics, layered fabrics, knit fabrics, and felts that are used for geotextile application.

ASTM D measures the tensile properties of geotextiles using a wide-width strip specimen tensile method. Centrally, draw two lines running the full width of the specimen, accurately perpendicular to the length dimension and separated by mm 4 in.

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If a bias is found, either its cause must be found and corrected or the purchaser and the supplier must agree to interpret future test results in light of the known bias. It is used with a constant rate of extension type tension apparatus.

ASTM D – Wide-Width Geotextiles

A superscript epsilon e indicates an editorial change since the last revision or reapproval. Referenced Documents purchase separately The documents listed below are referenced within astj subject standard but are not provided as part of the standard.

Historical Version s – view previous versions of standard. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? The test specimens should then be randomly assigned in equal numbers to each laboratory for testing.

Test 2 Method D for the determination of the wide-width strip tensile properties of geotextiles may be used for the acceptance testing of commercial shipments of geotextiles but caution is advised since information about between-laboratory precision is incomplete Note 6.

The wide-width strip technique has been explored by the industry and is recommended in these cases for geotextile applications. Give one of our application engineers a call today for help with creating the best budget and testing plan according to ASTM D Current edition approved Sept.

Do this by having the two lines, which were previously drawn 6 3 mm 4.