Model test of three-bore metro station constructed with the method of expanding sectional shield tunnels

被引：0

作者：

Li, Wei ^{[1
,2
]}

He, Chuan ^{[2
]}

Chen, Xiao-Ting ^{[2
]}

机构：

[1] School of Architecture and Civil Engineering, Guizhou University, Guiyang, Guizhou 550003, China

[2] Dept. of Tunnel and Underground Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China

来源：

Gongcheng Lixue/Engineering Mechanics | 2010年 / 27卷 / SUPPL. 2期

关键词：

Normal distribution - Subway stations - Shielding - Tunnels - Tunneling (excavation) - Rocks;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The construction scheme of the metro station was studied through similar model tests. The metro station is a three-bore structure constructed using the panding method based on shield tunnels. Results show that the construction scheme of the metro station is feasible. But it is necessary to reinforce the surrounding rock of the vault of tunnel arches during the expanding construction. The vertical displacement of the surrounding rock displays a ″U″ shape distribution after the expanding construction. The displacement of surrounding rock increases if the surrounding rock of the vault of tunnel arches is not reinforced. The settlement curve of the ground surface is approximately normally distributed, and the influencing breadth is 3B, where B is the breadth of the three-bore structure.

引用

页码：245 / 248