摘要
介绍了糯扎渡水电站右岸坝顶公路1#隧道进口段及隧道软弱围岩段的施工方法及工艺。对隧道进洞套拱施工方法、超前小管棚施工方法和短台阶施工方法分别进行了探讨,提出了施工过程中易出现的问题及其解决方法。
In this thesis, the construction method and technology of the entrance section and weak surrounding rock section of the 1# tunnel of the dam crest road on the right bank of Nuozhadu hydropower station is introduced. The construction methods for the tunnel entrance arcs, the small tube tent and short stairs are discussed, and the problems that will be met during the construction and possible solutions are put forward.
出处
《中国水能及电气化》
2011年第7期55-60,共6页
China Water Power & Electrification
关键词
隧道进洞
洞口浅埋
软弱围岩
施工方法
tunnel entrance
entrance hollow burying
weak surrounding rock
construction method
