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Theses/Dissertations

Civil and Environmental Engineering

2013

Clemson University

Braced excavation

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Probabilistic Back Analysis Of Geotechnical Systems, Lei Wang Aug 2013

Probabilistic Back Analysis Of Geotechnical Systems, Lei Wang

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This thesis is aimed at applying the probabilistic approaches for back analysis of geotechnical systems. First, a probabilistic back-analysis of a recent slope failure at a site on Freeway No. 3 in northern Taiwan is presented. The Markov Chain Monte Carlo (MCMC) simulation is used to back-calculate the geotechnical strength parameters and the anchor force. These inverse analysis results, which agree closely with the findings of the post-event investigations, are then used to validate the maximum likelihood method, a computationally more efficient back-analysis approach. The improved knowledge of the geotechnical strength parameters and the anchor force gained through the probabilistic …