狭小空间土压平衡盾构分体始发施工技术

Split-origin Construction Technology of Earth Pressure Balance Shield in Narrow Space

本文以长沙市轨道交通4号线【阜埠河站~碧沙湖站】盾构区间工程为背景,介绍了分体始发盾构设备改造原则、改造方案及始发方案取得了良好的经济和社会效益,以期为类似施工提供经验和技术参考。

Based on the shield section project of Changsha Metro Line 4[Fubuhe Station^Bishahu Station],this paper introduces the principle,transformation plan and originating plan of the split-origin shield equipment and has achieved good economic and social benefits to provide experience and technical reference for similar construction.