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Yield of scratched geomembranes

Giroud, J.P. / Beech, J.F. / Soderman, K.L.

Abstract In this paper, it is demonstrated that geomembranes that have a stress-strain curve with a yield peak, such as high-density polyethylene (HDPE) geomembranes, yield at a tensile strain that is significantly influenced by scratches on the surface of the geomembrane. It is shown that scratched HDPE geomebranes can exhibit yield at strains that are one-third to one-half the yield strain of intact geomembranes. The method presented in this paper makes it possible to quantify the reduction in HDPE geomembrane yield strain due to scratches as a function of the scratch depth and the geomembrane thickness. Alternatively, the method can be used to select the thickness of an HDPE geomembrane for a given required yield strain when a certain scratch depth is expected.

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Yield of scratched geomembranes

Giroud, J.P. / Beech, J.F. / Soderman, K.L.

Abstract In this paper, it is demonstrated that geomembranes that have a stress-strain curve with a yield peak, such as high-density polyethylene (HDPE) geomembranes, yield at a tensile strain that is significantly influenced by scratches on the surface of the geomembrane. It is shown that scratched HDPE geomebranes can exhibit yield at strains that are one-third to one-half the yield strain of intact geomembranes. The method presented in this paper makes it possible to quantify the reduction in HDPE geomembrane yield strain due to scratches as a function of the scratch depth and the geomembrane thickness. Alternatively, the method can be used to select the thickness of an HDPE geomembrane for a given required yield strain when a certain scratch depth is expected.

Yield of scratched geomembranes

Giroud, J.P. / Beech, J.F. / Soderman, K.L.

Abstract In this paper, it is demonstrated that geomembranes that have a stress-strain curve with a yield peak, such as high-density polyethylene (HDPE) geomembranes, yield at a tensile strain that is significantly influenced by scratches on the surface of the geomembrane. It is shown that scratched HDPE geomebranes can exhibit yield at strains that are one-third to one-half the yield strain of intact geomembranes. The method presented in this paper makes it possible to quantify the reduction in HDPE geomembrane yield strain due to scratches as a function of the scratch depth and the geomembrane thickness. Alternatively, the method can be used to select the thickness of an HDPE geomembrane for a given required yield strain when a certain scratch depth is expected.

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Title:

Yield of scratched geomembranes

Contributors:

Giroud, J.P. (author) / Beech, J.F. (author) / Soderman, K.L. (author)

Published in:

Geotextiles and Geomembranes ; 13 ; 231-246

Publication date:

1993-11-21

Size:

16 pages

ISSN:

DOI:

https://doi.org/10.1016/0266-1144(94)90046-9

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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