Abstract

Two-dimensional (2-D) non-linear time-domain analyses of the tensile forces and strains induced in the geosynthetic liner system of a solid waste landfill by seismic loading were conducted using a model that allows for relative displacement (slip) at the interfaces of the liner system. The analyses suggest that tensile strains and forces induced in the liner system by seismic loading will be within allowable values if the difference in interface friction angle between the top and bottom of the liner is relatively small. While the deformation at the crest of the side slope from the non-linear analyses were similar to the deformations calculated in a conventional 1-D decoupled analysis, the deformations at the toe of a canyon-type landfill calculated in the 2-D non-linear analysis was significantly greater than calculated in the 1-D decoupled analysis. The analyses reported herein were for two simplified landfill geometries and only employed one earthquake time history and one set of interface strengths. Additional analyses are required to determine if these results are representative of landfill response or are an artifact of the landfill geometry, interface strengths, and time history used in these analyses.

Original languageEnglish (US)
Title of host publicationGeotechnical Special Publication
Pages1981-1990
Number of pages10
Edition211 GSP
DOIs
StatePublished - 2011
EventGeo-Frontiers 2011: Advances in Geotechnical Engineering - Dallas, TX, United States
Duration: Mar 13 2011Mar 16 2011

Other

OtherGeo-Frontiers 2011: Advances in Geotechnical Engineering
CountryUnited States
CityDallas, TX
Period3/13/113/16/11

Fingerprint

geosynthetics
liner
Land fill
landfill
geometry
Geometry
Tensile strain
Nonlinear analysis
Solid wastes
history
solid waste
canyon
artifact
Earthquakes
friction
analysis
Friction
earthquake

Keywords

  • Geosynthetics
  • Landfills
  • Liners
  • Seismic effects

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Civil and Structural Engineering
  • Building and Construction

Cite this

Arab, M. G., Kavazanjian, E., & Matasovic, N. (2011). Seismic analysis of a geosynthetic liner system. In Geotechnical Special Publication (211 GSP ed., pp. 1981-1990) https://doi.org/10.1061/41165(397)202

Seismic analysis of a geosynthetic liner system. / Arab, M. G.; Kavazanjian, Edward; Matasovic, N.

Geotechnical Special Publication. 211 GSP. ed. 2011. p. 1981-1990.

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

Arab, MG, Kavazanjian, E & Matasovic, N 2011, Seismic analysis of a geosynthetic liner system. in Geotechnical Special Publication. 211 GSP edn, pp. 1981-1990, Geo-Frontiers 2011: Advances in Geotechnical Engineering, Dallas, TX, United States, 3/13/11. https://doi.org/10.1061/41165(397)202
Arab MG, Kavazanjian E, Matasovic N. Seismic analysis of a geosynthetic liner system. In Geotechnical Special Publication. 211 GSP ed. 2011. p. 1981-1990 https://doi.org/10.1061/41165(397)202
Arab, M. G. ; Kavazanjian, Edward ; Matasovic, N. / Seismic analysis of a geosynthetic liner system. Geotechnical Special Publication. 211 GSP. ed. 2011. pp. 1981-1990
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AB - Two-dimensional (2-D) non-linear time-domain analyses of the tensile forces and strains induced in the geosynthetic liner system of a solid waste landfill by seismic loading were conducted using a model that allows for relative displacement (slip) at the interfaces of the liner system. The analyses suggest that tensile strains and forces induced in the liner system by seismic loading will be within allowable values if the difference in interface friction angle between the top and bottom of the liner is relatively small. While the deformation at the crest of the side slope from the non-linear analyses were similar to the deformations calculated in a conventional 1-D decoupled analysis, the deformations at the toe of a canyon-type landfill calculated in the 2-D non-linear analysis was significantly greater than calculated in the 1-D decoupled analysis. The analyses reported herein were for two simplified landfill geometries and only employed one earthquake time history and one set of interface strengths. Additional analyses are required to determine if these results are representative of landfill response or are an artifact of the landfill geometry, interface strengths, and time history used in these analyses.

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