Design of self-supporting enclosure structure for deep Foundation Pit and its Construction Protection 大型深基坑自立式围护结构的设计和施工
Results indicate that the surrounding rock of the tunnel is good with high self-supporting capability, the design and execution technology of the excavation and reinforcement of the tunnel is scientific and rational and the reinforcement structure is strong. 表明隧道区围岩条件较好,自稳定性能强,隧道开挖支护设计施工技术科学合理,支护结构较强。围岩变形分析动态反馈于施工中,取得令人满意的结果。