IMECH-IR  > 水动力学与海洋工程重点实验室(2009-2011)
Numerical analysis of interfacial shear degradation effects on axial uplift bearing capacity of a tension pile
Yan WJ; Gao FP(高福平); Gao, FP (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Hydrodynam & Ocean Engn, Beijing 100190, Peoples R China.
Source PublicationISAB-2010 - FIRST INTERNATIONAL SYMPOSIUM ON ARCHIMEDES BRIDGE
2010
Conference Name1st International Symposium on Archimedes Bridge (ISAB-2010)
Conference DateOCT 17-20, 2010
Conference PlaceQiandao Lake, PEOPLES R CHINA
AbstractThe bearing capacity of tension piles involves complex interactions between the tension-pile with the neighboring sediments. A two-dimensional axisymmetric finite element model (FEM) is proposed and verified with the existing experimental results to simulate the uplift resistance of the pile under axial/vertical loading. With an updated contact-pair algorithm for modeling pile-soil interfacial behavior, the modeling for both the interfacial bonding and the sliding friction mechanisms is fulfilled in the present model, which is capable of simulating the shear degradation effects by the breakage treatment of the pile-soil bonding. The bearing capacity of tension piles in various sediments can be predicted efficiently. Numerical results indicate that, due to the interfacial bonding effect, the enhancement of the tension bearing capacity gets more obvious for higher cohesion strength of the sediments. The interfacial bonding degradation of is the main reason for the occurrence of "critical embedded length" phenomenon. (C) 2010 Published by Elsevier Ltd.
WOS IDWOS:000287149600029
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Indexed ByCPCI-S
Language英语
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Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58872
Collection水动力学与海洋工程重点实验室(2009-2011)
Corresponding AuthorGao, FP (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Hydrodynam & Ocean Engn, Beijing 100190, Peoples R China.
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GB/T 7714
Yan WJ,Gao FP,Gao, FP . Numerical analysis of interfacial shear degradation effects on axial uplift bearing capacity of a tension pile[C]ISAB-2010 - FIRST INTERNATIONAL SYMPOSIUM ON ARCHIMEDES BRIDGE,2010.
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