特长引水隧道小断面双护盾TBM快速施工技术  

Rapid Construction Technology of Double Shield TBM in the Extra-long Water Diversion Tunnel with Small Section

作　　者：胡天然 HU Tianran(International Company of China Railway No.2 Engineering Group Co.,Ltd.,Chengdu 610306,China)

机构地区：[1]中铁二局集团有限公司国际公司,成都610306

出　　处：《路基工程》2024年第2期191-194,共4页Subgrade Engineering

摘　　要：依托南亚某国特长引水隧道工程,对影响小断面双护盾TBM施工进度的地质条件、资源组织、技术方案、环境等因素进行分析,通过科学的管理理念和多种技术措施,以及适宜的制度建设和精细化的过程控制,提升掘进效率,TBM施工进度屡次实现重大突破。Relying on the extra-long water diversion tunnel project in a South Asian country,the geological,resource organization,technical scheme and environmental and other factors affecting the construction progress of the small section double-shield TBM are analyzed.Through scientific management concepts and a variety of technical measures,as well as appropriate system construction and refined process control,the excavation efficiency has been improved,and the TBM construction schedule has repeatedly achieved major breakthroughs.

关 键 词：复杂条件 双护盾TBM 超前预报 五步注浆 快速掘进 风险管控 经济性 

分 类 号：U455[建筑科学—桥梁与隧道工程]