山西省东山供水工程隧洞塌方段补强加固方案  

Reinforcement Scheme for Tunnel Collapse Section of Dongshan Water Supply Project in Shanxi Province

作　　者：谢洪 XIE Hong

机构地区：[1]山西东山供水工程建设管理有限公司,山西太原030002

出　　处：《山西水利科技》2023年第1期20-22,共3页Shanxi Hydrotechnics

摘　　要：针对东山供水工程1-1#施工支洞控制主洞下游SBE4+156处塌方,分析了塌方原因,提出了洞顶施工范围采用先对塌陷处换填,再对洞顶进行补强加固的方案,并详细阐述了旋喷桩施工工艺流程,可为国内同类工程提供参考。Aiming at the collapse of SBE4+156 downstream of the main tunnel controlled by the 1-1#construction branch tunnel of Dongshan Water Supply Project,the causes of the collapse were analyzed.The scheme of replacing and filling the collapse first,then strengthening the tunnel top is proposed for the tunnel top construction scope.The construction process of rotary jet grouting pile is described in detail.The construction scheme can provide reference for similar projects in China.

关 键 词：旋喷桩施工 隧洞塌方 补强加固 

分 类 号：TV554[水利工程—水利水电工程]