深圳地铁区间浅埋暗挖隧道穿越建筑物施工技术  

Construction techniques of crossing building on shallow buried tunnel of Shenzhen metro running

作　　者：张二海[1] 吴文涛[1] 洪健[1] 柴敬尧 

机构地区：[1]铁道科学院<北京>工程咨询有限公司,广东深圳518034

出　　处：《探矿工程（岩土钻掘工程）》2009年第S1期346-353,共8页Exploration Engineering:Rock & Soil Drilling and Tunneling

摘　　要：深圳地铁2号线蛇海区间矿山法Ⅱ段属浅埋暗挖隧道,该区间地质条件复杂多变,地下水丰富,且隧道左线需穿越地面建筑,施工难度极大。以隧道左线太子宾馆段的开挖为例,介绍了穿越房屋过程中所采用的爆破控制技术以及袖阀管注浆、洞内深孔注浆、大管棚超前支护等施工措施,并运用数值模拟对加固效果和地表沉降控制进行了验证。She-Hai metro running of Shenzhen metro line 2 is a double-line shallow buried tunnel which is excavated by mine method.Stratums of this section is not only varied but also water-rich,and left line need to cross a building called Taizi hotel on the ground.Construction techniques including sleeve valve pipe,deep-hole grouting,pipe-shed advance support and blasting control measures are introduced in detail to illustrate how to ensure the security of excavation.Reinforcement effects and ground settlement control are verified by numerical simulation.

关 键 词：浅埋暗挖隧道 建筑物 施工技术 数值模拟 地表沉降 

分 类 号：U455.4[建筑科学—桥梁与隧道工程]