真空预压加固软基的沉降过程模拟与数值分析  

The Settlement Process Simulation and Analysis of Soft Foundation Consolidated by Vacuum Preloading

作　　者：岳红宇[1] 陈加付[1] 谢明锋[2] 

机构地区：[1]江苏省高速公路建设指挥部,江苏南京210004 [2]连云港市高速公路建设指挥部,江苏连云港222000

出　　处：《公路交通科技》2002年第6期5-9,共5页Journal of Highway and Transportation Research and Development

摘　　要：以比奥固结理论为基础 ,本文介绍一种考虑土体损伤及土体扰动影响的基础沉降计算方法 ,并结合工程实例对某高速公路砂井地基处理段典型断面沉降进行了多种本构模型的有限元分析 ,与现场实测资料比较分析 ,证明了该方法的先进性。This paper presents a method to calculate the settlement of foundation based on Biot consolidation theory, including comprehensively the dilation, contraction, visco?plasticity of the soil in the calculation model.The calculation results based on the model are compared with those from field survey of engineering project,which shows good effects of the model.

关 键 词：高速公路 砂井地基 真空预压 

分 类 号：U412.366[交通运输工程—道路与铁道工程]