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Standard Test Method for Evaluating the Unconfined Tension Creep and Creep Rupture Behavior of Geosynthetics
Automatische name übersetzung:
Standard Test Method for Evaluation der Unconfined Zug-Kriech-und Zeitstandverhalten von Geokunststoffe
NORM herausgegeben am 1.7.2012
Bezeichnung normen: ASTM D5262-07(2012)
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.7.2012
SKU: NS-30500
Zahl der Seiten: 16
Gewicht ca.: 48 g (0.11 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
creep rupture, geogrid, geomembrane, geosynthetics, geotextile, tension creep, ICS Number Code 59.080.70 (Geotextiles)
Significance and Use | ||||||||||||||||||
5.1 This test method is developed for use in the determination of anticipated total elongation or time to rupture that may occur in geosynthetics under sustained loading conditions. 5.1.1 The test data can be used in conjunction with interpretive methods to evaluate creep strain potential at design loads. 5.1.2 The test data can be used in conjunction with interpretive methods to evaluate creep rupture potential at various loads. 5.2 This test method is not intended for routine acceptance testing of geosynthetics. This test method should be used to characterize geosynthetics intended for use in applications in which creep or creep rupture is of concern. The plane strain or rupture condition imposed during testing must be considered when using the test results for design. 5.3 The basic distinctions between this test method and other test methods for measuring tension creep and creep rupture behavior are (1) the width of the specimens (Section 5.4 The creep or stress rupture of a given geosynthetic is likely to be reduced in soil because of load transfer to the soil. The unconfined environment represents a controlled test, in which the results are conservative with regard to the behavior of the material in service. Confined or in-soil testing may model the field behavior of the geosynthetic more accurately. |
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1. Scope | ||||||||||||||||||
1.1 This test method is intended for use in determining the unconfined tension creep and creep rupture behavior of geosynthetics at constant temperature when subjected to a sustained tensile loading. This test method is applicable to all geosynthetics. 1.2 The test method measures total elongation of the geosynthetic test specimen, from the time of loading, while being maintained at a constant temperature. It includes procedures for measuring the tension creep and creep rupture behavior at constant temperature of conditioned geosynthetics as well as directions for calculating tension creep and creep rupture curves. 1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 1.4 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. |
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2. Referenced Documents | ||||||||||||||||||
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Historisch
15.6.2009
Historisch
1.6.2009
Historisch
1.7.2010
Historisch
1.7.2014
Historisch
1.7.2012
Historisch
1.11.2007
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