Liquefaction Analysis of Saturated Reinforced Granular Soils
Publication: Journal of Geotechnical Engineering
Volume 121, Issue 9
Abstract
Laboratory studies on small-size samples have revealed that the liquefaction potential of sand deposits can be significantly reduced by the reinforced earth technique. About 150 tests were performed on 38-mm diameter samples with woven geotextile, nonwoven geotextile, and coir as reinforcement to study the liquefaction behavior of reinforced soil. This paper evaluates the liquefaction potential of reinforced sand under triaxial stress conditions. A simple analytical method for soil liquefaction based on the cyclic triaxial tests conducted on reinforced sand is presented. The restraining effect of the reinforcement is accounted for as an additional confining stress. Good agreement between the analytical and experimental values is noticed. The results show that the bending stiffness and compressibility of the reinforcement played a dominant role in the shear mobilization along the soil fabric interface. The writers also performed tests on larger-diameter samples and the results revealed that the size effect is marginal, with the results falling on the conservative side.
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Information & Authors
Information
Published In
Journal of Geotechnical Engineering
Volume 121 • Issue 9 • September 1995
Pages: 645 - 651
Copyright
Copyright © 1995 American Society of Civil Engineers.
History
Published online: Sep 1, 1995
Published in print: Sep 1995
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