土钉支护的非线性有限元数值模拟  

Nonlinear FEM Numerical Simulation of Soil - Nailed Support System

作　　者：徐教宇[1] 张雁[1] 杨生贵[1] 高印立[1] 高文生[1] 

机构地区：[1]中国建筑科学研究院地基基础研究所,北京100013

出　　处：《建筑科学》2003年第6期43-45,42,共4页Building Science

摘　　要：建立土钉支护的非线性有限元模型,土体本构采用多种本构模型,钉土之间采用Goodman单元模拟,能够模拟基坑的开挖与支护的施工过程。对某一具体基坑工程进行了模拟计算,取得了较满意的结果。A nonlinear finite element model (FEM) has been developed for the analysis of soil - nailed support system. Meanwhile several kinds of constitutive model were chosen for the nonlinearity and inelasticity of soil , and the Goodman element was adopted for the soil-nail interface. The staged excavation and retaining can also be stimulated by this model. An engineering case is analyzed as an example, and the result are satisfying.

关 键 词：土钉支护 非线性 有限元 数值模拟 基坑工程 

分 类 号：TU473.2[建筑科学—结构工程]