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Settling characteristics of pile groups embedded in the double layered foundation soil with big spring technique
Author(s): SU Chengyue, SHI Xingmao
Pages: 20-
27
Year: 2010
Issue:
3
Journal: Journal of Nanchang Institute of Technology
Abstract: 采用大弹簧技术分析了横观各向同性成层地基中的受轴向荷载的群桩沉降特性,基本解采用线弹性横观各向同性成层地基内部受环形竖向线荷载作用问题的解析解,避免了对非均质土作加权平均处理及对有限厚度作近似处理,且应力和位移均为精确解,研究表明:增加桩数对改善群桩的工作性态起着极为重要的作用,但同时群桩中的每根桩的平均轴向刚度却随着桩数的增加而减小.另外,增大桩距、减小桩土模量比或增大两层土的模量之比都会减弱群...
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