【正文】 .......................................................... 1 設(shè)計概況 ........................................................................................................................................................................................ 1 水文地質(zhì)概要 ................................................................................................................................................................................ 2 人員組織概況 ................................................................................................................................................................................ 2 三、總體施工方案 ................................................................................................................................................................................... 2 總體施工安排 ................................................................................................................................................................................ 2 二襯施工順序 ................................................................................................................................................................................ 3 施工進(jìn)度及計劃 ............................................................................................................................................................................ 3 工期安排原則 ......................................................................................................................................................................... 4 總體工期安排 ........................................................................................................................................................................ 4 主要施工進(jìn)度指標(biāo) ........................................................................................................................................................................ 4 四、施工工藝、方法、技術(shù)措施 ........................................................................................................................................................... 4 施工工藝流程 ................................................................................................................................................................................ 4 施工方法及技術(shù)措施 .................................................................................................................................................................... 5 隧道初支斷面凈空測量 ........................................................................................................................................................ 6 清底和基面處理 .................................................................................................................................................................... 6 仰拱及仰拱填充施工方案 ..................................................................................................................................................... 6 邊頂拱 施工 ............................................................................................................................................................................. 7 防排水施工 ........................................................................................................................................................................... 11 鋼筋施工 ............................................................................................................................................................................... 15 砼施工技術(shù)措施 ................................................................................................................................................................... 18 五、質(zhì)量保證措施 ................................................................................................................................................................................. 20 技術(shù)保證措施 .............................................................................................................................................................................. 20 制度保證措施 .............................................................................................................................................................................. 21 六、工器具、設(shè)備投入 ......................................................................................................................................................................... 21 七、施工安全保證措施 ................................................................................