人民长江Issue(20)：63-66,4.DOI:10.16232/j.cnki.1001-4179.2015.20.018
锦屏二级水电站引水隧洞岩溶段处理措施及施工
Treatment measure and construction method for karst section of diversion tunnel of Jinping Hydropower Station
马文波 1宋威1
作者信息
- 1. 中国人民武装警察部队水电第三支队，广西南宁530222
- 折叠
摘要
Abstract
A number of karst caves were developed in partial sections of No .3 and 4 diversion tunnels of Jinping Hydropower Station, in which, a large-scale karst cave was exposed during the floor excavation of No .3 diversion tunnel.To ensure the safety of the tunnel operation , on the basis of the analysis of the characteristics of the large karst cave exposed in excavation , the reinforcement measures of fresh concrete backfilling and arch bridge were adopted , and the well-pile-beam was used for the first time in tunnel construction .A detailed introduction to the construction process and treatment measures is given to provide reference for other similar projects .关键词
引水隧洞/岩溶/软基处理/锦屏水电站Key words
diversion tunnel/karst/soft foundation treatment/Jinping Hydropower Station分类
建筑与水利引用本文复制引用
马文波,宋威..锦屏二级水电站引水隧洞岩溶段处理措施及施工[J].人民长江,2015,(20):63-66,4.
