摘要
结合广州地区地质复合型特点,分析广州地铁3、5号线盾构掘进施工中遇到的特殊地质现象,说明重视盾构在特殊地质地段的施工是保证盾构顺利掘进的关键,重点阐述盾构在富水断裂带、石英含量高的硬岩、孤石、风化深槽、煤气层、岩溶空洞等特殊地质段采取的掘进施工方法。
Geology of Guangzhou city is complex. Special strata were encountered h shield driving on Guangzhou subway Lines 3 and 5. Special construction measures were applied when shield bored in special strata including watersoaked fracture zones, high quartz-contained hard rocks, boulders, weathered trough, gas-contained stratum, karst, etc.
出处
《都市快轨交通》
2009年第3期55-57,共3页
Urban Rapid Rail Transit
基金
广东省重点建设项目(发改投资[2005]1308
计投资[2001]1132)
关键词
广州地铁
土压平衡盾构
特殊地质
施工
掘进
Guangzhou subway
EPB shield
special strata
construction
shield driving
