高速铁路CFG桩复合地基沉降的数值研究
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(苏州设计研究院股份有限公司，苏州 215021)[摘 要]借助有限元分析软件FLAC，对受竖向荷载作用下CFG复合地基进行数值模拟，分析桩间距、桩长、垫层刚度、填土高度、桩帽直径变化对路基变形影响，为CFG桩复合地基变形理论研究提供依据。[关键词]数值模拟;复合地基;垫层;路基;沉降中图分类号：TU473 文献标识码：A 文章编号：1002-848X(2013)S1-0913-04Numerical simulation research on foundation deformation of CFG pile composite on high-speed railwayLiu Yong(Suzhou Institute of Architectural Design Co,.Ltd.,Abstract：with the help of finite element software FLAC, the article focus on the deformation of CFG pile composite under vertical loads , analysis various factors affecting the deformity of CFG pile composite foundation, such as pile spacing, length, cushion stiffness, fill height, pile cap diameter ,provide theoretic framework for CFG pile composite foundation.Keywords: numerical simulation;composite foundation;cushion;subgrade;deformation
