输水隧洞施工方案.doc

目录1.编制依据.............................................................................................................1
2.工程概况.............................................................................................................1
2.1工程简介..................................................................................................1
2.2水文、气象条件......................................................................................2
2.3地形、地质条件......................................................................................2
3.施工方案.............................................................................................................2
4.施工方法.............................................................................................................3
4.1开挖..........................................................................................................4
4.2支护..........................................................................................................7
4.3隧洞下部施工..........................................................................................8
4.4出渣..........................................................................................................8
4.5物料及大件设备下放及人员入井..........................................................9
4.6作业循环................................................................................................10
4.7过破碎带施工........................................................................................11
4.8隧洞防治水............................................................................................11
4.9通风........................................................................................................11
4.10安全监测..............................................................................................13
5.辅助系统和设施...............................................................................................13
5.1简述......................................................................