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Three Dimensional, Axi-Symmetric Geomembrane Tension Test

B-L HwuGR. KoernerRM. Koerner

出版	ASTM International, 1990
URL	http://books.google.com.hk/books?id=urJ2zgEACAAJ&hl=&source=gbs_api

註釋

Presented in this paper are details of a three dimensional, axi-symmetric, tension test used to determine the stress-vs-strain behavior of geomembranes. From this data the modulus, strength and elongation can be obtained. After evaluating the effect of load rate, the accuracy of the test was illustrated by a series of 10 tests on VLDPE geomembranes. This test series resulted in a standard deviation of approximately ± 10%. A variety of different HDPE geomembranes were evaluated with only nominal differences resulting from different manufacturing processes. Lastly, a variety of different geomembrane types were tested and compared to one another. All of these test results show a marked contrast to the usually performed one dimensional tension tests and result in substantially different behavioral trends.