中铁二局神佳米高速公路第四项目部大梁隧道专项方案编制：审核：批准：中铁二局神米佳高速公路工程指挥部第四项目部二〇一四年四月目录目录......................................................1一、编制依据与范围........................................11.1编制依据..............................................11.2编制范围..............................................1二、工程概况..............................................12.1工程概况..............................................12.2主要技术标准..........................................22.2主要地质情况..........................................22.2.1地形地貌............................................22.2.2地层及岩性..........................................32.2.3地质构造............................................32.2.4水文地质............................................32.2.5气候水文状况........................................42.2.6地震烈度............................................42.2.7不良地质............................................4三、施工准备..............................................53.1施工便道..............................................53.2施工用水..............................................53.3施工用电..............................................53.4供风系统..............................................63.5炸药库................................................63.6施工区生活设施........................................613.7机械设备..............................................63.7.1拌合站..............................................63.7.2钢筋................................................73.7.3主要机械设备........................................73.8主要工程数量..........................................8四、施工重点、难点分析....................................8五、主要施工方法及工法特点................................95.1主要施工方法..........................................95.2工法特点.............................................10六、施工工艺工法.........................................106.1总体施工方案.........................................106.2施工测量方案.........................................126.2.1平面控制网和高程控制网的建立.......................126.2.2施工控制网的测量...................................136.2.3施工测量...........................................136.2.4竣工测量...........................................156.3明洞施工方案.........................................156.4进洞施工方案.........................................216.4.1进洞施工工艺.......................................216.4.2主要施工方法.......................................216.4.3进洞方法...........................................236.4暗洞洞身施工方案.....................................266.4.1台阶设置及步距要求.................................286.4.2标准施工作业程序...................................296.4.3施工要点...........................................3026.4.4隧道出碴运输及材料运输.............................316.4.5超前小导管施工.....................................316.4.6初期支护施工.......................................336.4.7附属洞室及设施施工.................................356.4.8隧道结构防排水施工.................................356.5围岩钻爆施施工.......................................426.6隧道附属工程施工.....................................466.7隧道施工通风、照明、管线路布置和施工排水.............466.7.1...
