人民长江Issue(2)：85-88,4.DOI:10.16232/j.cnki.1001-4179.2015.02.021
向家坝地下电站尾水主洞施工方案
Construction scheme of main tail water tunnel of Xiangjiangba underground powerhouse
易志1
作者信息
- 1. 中国长江三峡集团公司向家坝工程建设部，四川宜宾644600
- 折叠
摘要
Abstract
The large design section of main tail water tunnel of Xiangjiaba Hydropower Station on Jinsha River brings signifi -cant difficulty for excavation , lining and grouting construction .In line with the local conditions , an initiative construction scheme of supporting tunnel top before excavating downward is proposed , which could effectively solve the problems of large elevation difference between lining and grouting construction .Moreover, based on the fully reasoning , the un-covering consolidation grou-ting was conducted in 30°of both side of the arch crown only after the completion of bolt -shotcrete support, which can save the cost and shorten the construction period .关键词
地下厂房/洞室开挖/尾水洞施工/向家坝水电站Key words
underground power house/tunnel excavation/tail water tunnel construction/Xiangjiaba Hydropower Station分类
建筑与水利引用本文复制引用
易志..向家坝地下电站尾水主洞施工方案[J].人民长江,2015,(2):85-88,4.
