Cyclic shear test of a geosynthetic clay liner for a secondary containment application

C. Athanassopoulos, Patrick Joseph Fox, J. D. Ross

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

This note presents the results of a cyclic shear test of a secondary containment liner system composed of sand/GCL/sand. The GCL was a needle-punch-reinforced woven/nonwoven product with a thin geomembrane laminated to the nonwoven side. Under a normal stress of 100 kPa, shearing occurred at the sand/geomembrane interface and the GCL sustained no visible damage after 25 cycles of loading with a displacement amplitude of 20 mm and a frequency of 1 Hz. Material property tests performed on pre-cyclic and post-cyclic GCL samples provided additional evidence that the GCL specimen did not sustain damage due to cyclic loading. Analysis of the cyclic loading data indicates hysteretic stress-displacement behavior that is broadly similar to natural soils and displays strength and stiffness degradation as well as reduction in damping ratio with continued cycling.

Original languageEnglish (US)
Pages (from-to)107-111
Number of pages5
JournalGeosynthetics International
Volume17
Issue number2
DOIs
StatePublished - Apr 1 2010

Fingerprint

clay liner
geosynthetics
shear test
containment
Geomembranes
Clay
geomembrane
Sand
cyclic loading
sand
damage
liner
Shearing
Needles
damping
stiffness
Materials properties
Damping
Display devices
Stiffness

All Science Journal Classification (ASJC) codes

  • Geotechnical Engineering and Engineering Geology

Cite this

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Cyclic shear test of a geosynthetic clay liner for a secondary containment application. / Athanassopoulos, C.; Fox, Patrick Joseph; Ross, J. D.

In: Geosynthetics International, Vol. 17, No. 2, 01.04.2010, p. 107-111.

Research output: Contribution to journalArticle

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