基于有限元数值模拟的深基坑支护桩优化设计  

Optimal Design of Shoring Pile on Deep Foundation Pit Based on Fem Numerical Simulation

作　　者：王国标 陶文慧[2] 杨宏丽 赵杰[4] 尹小涛[5] 

机构地区：[1]浙江佳境规划建筑设计研究院有限公司,杭州310004 [2]浙江省丽水市建筑工程施工图审查中心,浙江丽水323000 [3]西安长庆科技工程有限责任公司建筑设计部,西安710021 [4]中交第一公路勘察设计研究院 西安中交公路岩土工程有限责任公司,西安710002 [5]中国科学院武汉岩土力学研究所,武汉430071

出　　处：《西北水力发电》2006年第2期37-40,共4页Journal of Northwest Hydroelectric Power

摘　　要：利用有限元方法对不同几何尺寸及变形参数下的某深基坑支护桩受力及变形特性进行了数值模拟，分析得出了深基坑开挖和支护过程中支护桩几何参数对该工程开挖变形的影响程度和灵敏性。最终确定了影响深基坑开挖与支护过程支护桩的主要设计参数，为同类地质条件下的相似基坑工程支护桩设计提供了参考的依据。The deformation and stress features of shoring pile of certain deep foundation pit with different geometrical dimension and computing parameters are simulated by FEM. After analyzing these data, the influencing degree and sensitivity of deformation induced by excavation are caused by pile＇s geometrical parameter on excavation and shoring of this deep foundation pit, which are determined. Finally, the main design parameters of shoring pile, which affect the deformation and stress in the process of excavation, and shoring of deep foundation pit are ascertained. Simultaneously, the reference rule of design about shoring pile is supplied for the similar engineering with the same geological condition.

关 键 词：深基坑 开挖 支护 桩 优化设计 有限元数值模拟 

分 类 号：TU45[建筑科学—岩土工程]