A. Rosete

Bräu G.

Christopher B. R.

Hausmann M. R.

Koerner R. M.

Lopes M. L.

M. Pinho-Lopes

M.L. Lopes

P. Mendonça Lopes

Paula A. M.

Pinho-Lopes M.

Rosete A. J.

Shukla S. K.

Van Dine D.

Watn A.

English

 ABSTRACT: Installation damage of geosynthetics occurs during their handling, positioning on the ground and the placing and compacting of fill material. Abrasion is a common damage mechanism where there is cyclic relative motion (friction) between a geosynthetic and contact soil. This paper presents the laboratory test results of mechanical damage and abrasion performed on six geosynthetics. The in isolation and combined effects on mechanical, hydraulic and physical properties of the geosynthetics were assessed. Results show that the effects of induced mechanical and abrasion damage essentially depend on the geosynthetic structure. For the most affected materials, strength losses after abrasion (in isolation and combined with mechanical damage) are higher than after the induced mechanical damage. Therefore, for most geosynthetics studied, abrasion is the conditioning mechanism which most affects their tensile strength. An increase of the characteristic opening size of the geosynthetics was observed, while their permittivity did not increase. This may be caused by differences in the test set-ups. </jats:p

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Geosynthetics International

Tensile and hydraulic properties of geosynthetics after mechanical damage and abrasion laboratory tests

https://eprints.soton.ac.uk/374946/1/__soton.ac.uk_UDE_PersonalFiles_Users_mpl1c12_mydocuments_02_publicacoes_00_anteriores_2013_GI_ARosete_MPL_MLL_2013_GI_Pinho-Lopes_peer-reviewd_manuscript.pdf

Tensile and hydraulic properties of geosynthetics after mechanical damage and abrasion laboratory tests

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