高速铁路软弱围岩隧道机械化大断面施工工法经济性与适应性研究分析  

Study on Economy and Adaptability of Mechanized Large Section Construction Method for Soft Surrounding rock Tunnel of High Speed Railway

作　　者：唐红权[1] 罗福君 吴炜 覃伟华 TANG Hong-quan;LUO Fu-jun;WU Wei;QIN Wei-hua(China Railway Eryuan Engineering Group Co,Ltd,Chengdu 610031,Sichuan,China;China Railway Economic and Planning Research Institute Co,Ltd,Beijing 100038,China)

机构地区：[1]中铁二院工程集团有限责任公司,四川成都610031 [2]中国铁路经济规划研究院有限公司,北京100038

出　　处：《铁路工程技术与经济》2021年第5期27-31,共5页Railway Engineering Technology and Economy

摘　　要：为研究高速铁路软弱围岩隧道机械化大断面施工工法的经济性与适应性,本文依托郑万高铁楚烽隧道、保康隧道、新华隧道不同围岩级别现场机械化大断面施工的定额测定成果,并结合新工艺工法下设计理念及工程措施优化所造成的工程量差,与现行常规机械化施工工法进行经济性对比分析,得出高速铁路软弱围岩隧道机械化大断面施工工法的适应性范围。This paper focuses on the the economy and adaptability of mechanized large section construction method of high-speed railwaysoft surrounding rock tunnel.The quota measurement results of on-site mechanized large section construction technology in different grade surrounding rock of CHUFENG Tunnel,BAOKANG Tunnel and XINHUA Tunnel on Zheng-Wan High-speed Railway areselected.The design concept and engineering measures under the new process method optimization caused by the engineering quantity difference,and the economic comparison and analysis with the current conventional mechanized construction method areshown in this paper.The adaptability range of mechanized large section construction method for soft surrounding rock tunnel of high-speed railway is obtained.

关 键 词：高速铁路隧道工程 软弱围岩 机械化大断面施工 围岩-支护结构优化 监控量测 经济性 适应性 

分 类 号：U25[交通运输工程—道路与铁道工程]