ASTM D6693 PDF

February 6, 2021   |   by admin

GeoTesting Express is a provider of Geosynthetic Testing Services – ASTM D,Standard Test Method for Determining Tensile Properties of Nonreinforced. ASTM D (D) determines the tensile properties of nonreinforced geomembranes in the form of standard dumbbell-shaped test specimens when tested. Buy ASTM D R TEST METHOD FOR DETERMINING TENSILE PROPERTIES OF NONREINFORCED POLYETHYLENE AND.

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Consequently, where precise comparative results are desired, these factors must be carefully monitored and controlled. A wide difference may exist between the rate of crosshead movement and the rate of strain of the specimen indicating that the testing speeds specified may disguise important effects or characteristics of aatm materials in the plastic state.

ASTM D Tensile Test of Geomembranes

In cases of such dissimilarity, no reliable estimation of the limit of usefulness can be made for most plastics. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability d66693 regulatory limitations prior to use. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Historical Version s – view previous versions of standard.

Hence, where directly comparable results are desired, all samples should be of equal thickness. Hence, where directly comparable results are desired, all samples should be of equal thickness.

Note—This test method is not intended to cover precise physical procedures. Further, it is realized that variations in the thicknesses of test specimens, as permitted by this test method, produce variations in the surface-volume ratios of such specimens, and that these axtm may influence the test results.

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A wide difference may exist between the rate of crosshead movement and the rate of strain of the specimen indicating that the testing speeds specified may disguise important effects or characteristics of these materials in the plastic state.

This sensitivity to rate of straining and environment necessitates testing over a broad load-time scale and range of environmental conditions if tensile properties are to suffice for engineering design purposes.

Therefore, it is advisable to refer to that material’s specification before using this test method. Special additional tests should be used where more precise physical data are needed.

The constant rate of crosshead movement of this test lacks accuracy from a theoretical standpoint. Link to Active This link will always route to the current Active version of the standard.

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. Link to Active This link will always route to the current Active version of the standard. Hence, when comparative tests of materials are desired, the care must be exercised to ensure that all samples are prepared in exactly the same way, unless the test is to include ashm effects of sample preparation.

ASTM D6693 Tensile Test of Geomembranes

The constant rate of crosshead movement of this test lacks aatm from a theoretical standpoint. This test method is not intended to cover precise physical procedures. It may be necessary to modify this procedure for use in testing certain materials as recommended by the material specifications.

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The values given in parentheses are for information only.

Special additional tests should be used where more precise physical data are needed. However, because of the high degree of sensitivity exhibited by many plastics to rate of straining and environmental conditions, data obtained by this test method cannot be considered valid for applications involving load-time scales or environments widely different from those of this test method.

Combining values from the two systems may result in non-conformance with the standard. These data are also useful for qualitative characterization and for research and development.

Tensile properties may provide useful data for plastics engineering design purposes. Similarly, for referee purposes or comparisons within any given series of specimens, care must be taken to secure the maximum degree d693 uniformity in details of preparation, treatment, and handling. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Further, it is realized that variations in the thicknesses of test specimen, as permitted by this test standard, produce variations in the surface-volume ratios of such specimens, and that these variations may influence the test results. Active view current version asmt standard. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.