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Working‐strain based design of landfill final cover systems

Working‐strain based design of landfill final cover systems Abstract An approach to estimating the strain within geosynthetics placed on a landfill cover slope is emphasized. This approach adopts the analytical method for evaluating the geosynthetic tension within a geosynthetic/soil multi‐layered slope system. A review of the assumptions, solutions, and capabilities of this analytical method is summarized. The proposed approach is applied in stability analysis of an example landfill slope to evaluate the geosynthetic strains for different lengths of cover soil placement. The corresponding factors of safety are calculated using conventional slope stability analysis method. The results show that the relationship between the factor of safety and the slope length is convergent, while the relationship between geosynthetic strain and slope length is divergent. This analysis reveals that strainbased design is more rational. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of the Chinese Institute of Engineers Taylor & Francis

Working‐strain based design of landfill final cover systems

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References (14)

Publisher
Taylor & Francis
Copyright
Copyright Taylor & Francis Group, LLC
ISSN
2158-7299
eISSN
0253-3839
DOI
10.1080/02533839.2003.9670776
Publisher site
See Article on Publisher Site

Abstract

Abstract An approach to estimating the strain within geosynthetics placed on a landfill cover slope is emphasized. This approach adopts the analytical method for evaluating the geosynthetic tension within a geosynthetic/soil multi‐layered slope system. A review of the assumptions, solutions, and capabilities of this analytical method is summarized. The proposed approach is applied in stability analysis of an example landfill slope to evaluate the geosynthetic strains for different lengths of cover soil placement. The corresponding factors of safety are calculated using conventional slope stability analysis method. The results show that the relationship between the factor of safety and the slope length is convergent, while the relationship between geosynthetic strain and slope length is divergent. This analysis reveals that strainbased design is more rational.

Journal

Journal of the Chinese Institute of EngineersTaylor & Francis

Published: Mar 1, 2003

Keywords: geosynthetics; landfill; slope stability; compatibility; stiffness; factor of safety

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