Numerical modeling for ground settlement due to two-tunnel shielding construction

被引：0
|
作者：
Bian, Yadong [1 ]
Zhuo, Facheng [1 ]
Zhu, Yanzhi [1 ]
Ji, Xiaopeng [1 ]
机构：
[1] Zhongyuan Univ Technol, Dept Civil Engn & Architecture, Zhengzhou, Peoples R China
来源：
Soft Soil Engineering | 2007年
关键词：
D O I：
暂无
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
According to geological conditions, properties of terrane and soil offered by Guangzhou No.3 Metro Line, three different numerical models are built upon three shielding construction plans of thrusting with same advance at the same time, thrusting with opposite advance at the same time, and thrusting with sequential advance. This paper forecasts and evaluates the influence of ground settlement due to two-tunnel shielding construction. The influence of ground deformation by expanding metro-station is also modeled under four different reinforcement measures. The investigation shows: different settlement occurs in different construction plan; the ground settlement enlarges based on shield expanding construction and the influence range in cross direction enlarges as well. These results can support the constructing the metro-stations by expanding the shielding tunnels directly and provide a method to predict the ground deformation. It also offers theoretical reference for promoting the shielding construction.
引用
收藏
页码：499 / 503
页数：5
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