Cyclic shear testing of a multi-component geosynthetic clay liner

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

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The design of a petrochemical processing and storage facility involved evaluation of several secondary containment liner options. One of the options considered was a needlepunch-reinforced woven/nonwoven geosynthetic clay liner (GCL) with a polyethylene geofilm laminated to the non-woven side. Since the project site was located in a seismically-active area, design engineers were concerned about the ability of the multi-component GCL to withstand seismic loads. To assess the potential for damage to the GCL when subjected to seismic loads, a cyclic shear test of the proposed liner cross-section (sand/multi-component GCL/sand) was performed using a large dynamic direct shear machine, capable of applying static and dynamic loads to soil and geosynthetic specimens. Cyclic shear testing under a normal stress of 100 kPa found that shearing occurred at the sand/geofilm interface, with the GCL sustaining no visible damage even 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. The cyclic shear testing procedure described in this paper could be useful for not only evaluating the performance of liner systems during seismic events, but also for evaluating the potential for liner system damage due to dynamic equipment loading during installation and soil covering operations.

Original languageEnglish (US)
Title of host publicationCurrent and Future Practices for the Testing of Multi-Component Geosynthetic Clay Liners
PublisherASTM International
Pages109-115
Number of pages7
Volume1562 STP
ISBN (Print)9780803175488
DOIs
StatePublished - Jan 1 2013
Event3rd Symposium on Current and Future Practices for the Testing of Multi-Component Geosynthetic Clay Liners - San Diego, CA, United States
Duration: Jun 29 2012Jun 29 2012

Other

Other3rd Symposium on Current and Future Practices for the Testing of Multi-Component Geosynthetic Clay Liners
CountryUnited States
CitySan Diego, CA
Period6/29/126/29/12

Fingerprint

Clay
Testing
Sand
Soils
Polyethylene
Dynamic loads
clay
Shearing
Petrochemicals
Polyethylenes
Materials properties
Engineers
Processing

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

Athanassopoulos, C., Fox, P. J., Ross, J. D., & Goldenberg, M. (2013). Cyclic shear testing of a multi-component geosynthetic clay liner. In Current and Future Practices for the Testing of Multi-Component Geosynthetic Clay Liners (Vol. 1562 STP, pp. 109-115). ASTM International. https://doi.org/10.1520/STP156220120081
Athanassopoulos, C. ; Fox, Patrick Joseph ; Ross, J. D. ; Goldenberg, M. / Cyclic shear testing of a multi-component geosynthetic clay liner. Current and Future Practices for the Testing of Multi-Component Geosynthetic Clay Liners. Vol. 1562 STP ASTM International, 2013. pp. 109-115
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Athanassopoulos, C, Fox, PJ, Ross, JD & Goldenberg, M 2013, Cyclic shear testing of a multi-component geosynthetic clay liner. in Current and Future Practices for the Testing of Multi-Component Geosynthetic Clay Liners. vol. 1562 STP, ASTM International, pp. 109-115, 3rd Symposium on Current and Future Practices for the Testing of Multi-Component Geosynthetic Clay Liners, San Diego, CA, United States, 6/29/12. https://doi.org/10.1520/STP156220120081

Cyclic shear testing of a multi-component geosynthetic clay liner. / Athanassopoulos, C.; Fox, Patrick Joseph; Ross, J. D.; Goldenberg, M.

Current and Future Practices for the Testing of Multi-Component Geosynthetic Clay Liners. Vol. 1562 STP ASTM International, 2013. p. 109-115.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Athanassopoulos C, Fox PJ, Ross JD, Goldenberg M. Cyclic shear testing of a multi-component geosynthetic clay liner. In Current and Future Practices for the Testing of Multi-Component Geosynthetic Clay Liners. Vol. 1562 STP. ASTM International. 2013. p. 109-115 https://doi.org/10.1520/STP156220120081