深基开挖对邻近高架基础影响的三维数值分析  

Three-dimensional Numerical Analysis of the Influence of Deep Excavation on Adjacent Viaduct Foundation

作　　者：沈健[1] 李耀良[2] 王建华[1] 

机构地区：[1]上海交通大学土木工程系,上海200030 [2]上海市基础工程公司,上海200002

出　　处：《地下空间与工程学报》2005年第4期518-521,共4页Chinese Journal of Underground Space and Engineering

基　　金：上海科学技术委员会资助课题(04dz12001)。

摘　　要：应用三维有限元法分析了深基坑开挖对邻近高架基础的影响。现场监测数据和数值分析结果基本一致,表明采用的计算模型是合理的。计算结果表明由开挖引起的高架桩基附加内力值均较小,所采取的施工技术措施有效地控制了该基坑的变形,降低了对邻近高架基础的影响。Three dimensional finite element method was applied in this paper to analyse the influence of deep excavation on adjacent viaduct foundation. The monitoring and the result of calculation are in good agreement, so the calculation model is reasonable. The computation result shows that the additional internal force of viaduct pile foundation caused by excavation is very small, so the technical method used in the construction could effectively controll the deformation of the excavation and reduce its influence on adjacent viaduct foundation.

关 键 词：深基坑 数值分析 有限元法 

分 类 号：TU470+.3[建筑科学—结构工程]