【大坝土石方开挖施工方案】 土石方开挖的施工方案.doc

【大坝土石方开挖施工方案】 土石方开挖的施工方案
目 录
1 编制依据及编制原则 .................................................................................................. 3 2 工程概述 ...................................................................................................................... 3 施工范围 . ............................................................................................................... 3 工程地质条件 . ....................................................................................................... 3 施工布置 . ............................................................................................................... 3 主要工程量 . ........................................................................................................... 4 3 开挖程序和方法 .......................................................................................................... 5 开挖施工程序 . ....................................................................................................... 5 土石方施工方法 . ................................................................................................... 6 4 大坝及放空洞、取水洞进出口开挖 .......................................................................... 7 大坝及放空洞、取水洞开挖施工分区分层 . ...........................................
............ 7 土石方明挖 . ........................................................................................................... 8 5 支护工程 .................................................................................................................... 12 施工布置 . ............................................................................................................. 12 施工程序 . ............................................................................................................. 12 锚杆施工 . ............................................................................................................. 13 .......................................................................