摘要
深入分析喀—双深埋超特长输水隧洞施工中存在的主要工程地质问题,围绕超特长隧洞TBM快速掘进与安全控制等重大需求,在隧洞规划选线布置、TBM及配套系统适应性设计、主洞和支洞施工建设、施工风险控制、TBM机群施工综合管理等主要环节,提出需重点研究解决的关键技术问题。从已探明的工程地质情况来看,发生地质灾害的可能性不大,适合TBM快速施工。由于隧洞沿线地形较为平坦,开挖深长缓斜井、深埋中间竖井是不可避免的,但超长距离的独头掘进,给隧洞高速掘进与高效率的出碴、通风增加了难度,应结合现代化的科学手段进行系统攻关。
The main geological problems of Ka-Shuang deep super-long water diversion tunnel are analyzed. The key technologies for rapid boring and safety control of super-long tunnel TBM construction are proposed in terms of alignment arrangement,applicability design of TBM and matching system,construction of main tunnel and branch tunnel,construction risk control and complex management of TBM group construction. The geological conditions investigated illustrate that there is no geological risk. The deep and long inclined shaft and deep intermeadiate vertical shaft are needed due to the complanate landform; and further study and feasible technologies are needed as well.
出处
《隧道建设》
北大核心
2016年第6期666-675,共10页
Tunnel Construction
