Reliability analysis of laterally loaded piles using response surface methods |
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Authors: | Vipman Tandjiria Cee Ing Teh Bak Kong Low |
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Affiliation: | School of Civil and Structural Engineering, Nanyang Technological University, Singapore |
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Abstract: | Response surface methods have been applied to the reliability analysis of laterally loaded piles. Beam elements and a series of discrete springs are used to model the pile–soil system. The pile head displacement and the maximum bending moment in the piles are used as the performance criteria in this study. It is shown in the illustrative example that the CDF and PDF curves of the pile head displacement and the maximum bending moment in the pile obtained from the proposed methods are in good agreement with Monte Carlo simulation. The failure probabilities of the pile under specified performance criteria, the probabilistic responses of the pile-soil system, and the effect of pile-soil parameters to the failure probability of the pile are also studied. |
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Keywords: | Reliability analysis Response surface method Laterally loaded pile p–y Curve Approximate performance function |
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