摘要
广州地铁二号线新—磨区间西段隧道工程中,区间正线与车辆出入段线交叉分岔段结构型式复杂、断面变化大,基坑深度及宽度变化大,地质条件复杂,工程实践中经过方案比选,此区段基坑支护体系由原钢支撑加锚杆方案优化为钢筋混凝土支撑方案,保证了深基坑工程的安全及工期。
In the tunnel project of west Xin-Mo Section of Guangzhou Underground Line 2, the structure of cross and switchsection between section main line and leaving and arriving line is complex, the change of profile is great, the depth and widthchange of foundation pit is great, and geological condition is complex. Through comparison and selection of the scheme during theengineering practice, the supporting system of foundation pit in this section is optimized from original plan of steel support withanchor bolt to the RC supporting plan, which ensures the safety and construction period of deep foundation pit project.
出处
《中国铁路》
北大核心
2004年第9期62-63,共2页
China Railway
