盾构掘进过程土体变形特性数值模拟  

Numerical simulation for soil deformations due to shield tunneling

作　　者：张利民[1] 李大勇[1] 

机构地区：[1]山东科技大学土木建筑学院,山东泰安271019

出　　处：《岩土力学》2004年第z1期75-78,共4页Rock and Soil Mechanics

基　　金：中国博士后科学基金(2003033333);国家自然基金资助项目(50279018)

摘　　要：运用三维有限差分软件FLAC3D对盾构掘进工程进行了数值仿真,仿真过程中考虑了盾构机、注浆压力、土仓压力等因素,得到了地表沉降槽和土体纵向变化规律,并与实测结果进行了对比,结果表明,吻合较好。Numerical simulation for a shield tunneling project has been made by three-dimension finite differential code for FLAC3D. Factors of a shield tunneling machine, pressures of grouting and soil chamber etc. have been considered in the simulation processing. Longitudinal variation law of soil and settlement curves are obtained; and compared with results of practice test. Results between the calculation and practice have a good agreeement.

关 键 词：盾构掘进 土体变形 数值模拟 FLAC3D 

分 类 号：TU941[建筑科学—建筑技术科学]