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《Rock and Soil Mechanics》 2008-07
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Numerical analysis of pile response due to braced excavation-induced soil lateral movement

CHEN Fu-quan,WANG Jin-wei,LIU Yu-chuan (School of Civil Engineering,Fuzhou University,Fuzhou 350002,China)  
The issue to which should be play attention is the detrimental effect of excavation-induced soil movement on adjacent piles. The additional deflections and bending moments of the pile shaft are generated due to soil lateral movement. This may lead to their superstructures distress or failure. The geotechnical finite element numerical analysis software Plaxis 8.2 is used to simulate the process of excavation; and the effects of many factors on the behaviors of adjacent piles are investigated,including excavation depth,stiffness of diaphragm wall,stiffness of pile,net distance between excavation and pile,constraint conditions of pile head,length of pile. The behaviors of lateral displacements and bending moments of piles are studied in detail.
【CateGory Index】: TU473.1
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