隧道施工作业指导书一、总则...............................................................................................11.1适用范围..........................................11.2编制依据.........................................11.3作业准备..........................................11.3.1内业技术准备...................................21.3.2外业技术准备...................................2二、洞口工程作业指导书...................................................................32.1洞门................................................................................................32.2.1作业准备.......................................32.2.2洞口刷坡、防排水及防护.........................32.2.3套拱施工：.....................................42.2．4超前长管棚施工................................42.2．4．1搭设钻孔平台安装钻机.......................52.2．4．2钻孔.......................................62.2．4．3清孔验孔...................................62.2．4．4安装管棚钢管...............................62.1．4．5注浆......................................7三、洞身工程作业指导书...................................................................83.1综合超前地质预报..................................83.1．1常规地质法....................................83.1．2超前水平钻孔..................................93.1．3地质雷达......................................93.2爆破工程..........................................93.2.1作业准备.......................................93.2.2.1相关标准....................................103.2.2.2爆破器材的采购与搬运、贮存和保管...........103.2.2.3库房要求....................................103.2.2.4运输与装卸..................................113.2.43.爆破作业顺序：..............................123.3隧道开挖工法....................................133.3.1Ⅴ级围岩地段..................................133.3.1．1技术要求...................................133.3.1.2交叉中隔壁法施工工序........................143.3.1.3交叉中隔壁法施工注意事项....................163.3.2Ⅲ、Ⅳ级围岩地段..............................173.3.2.1技术要求....................................173.3.2.1施工顺序....................................183.3.3Ⅱ级围岩地段..................................193.3.3.1技术要求....................................1913.3.3.2正台阶法施工顺序...........................203.4复核式衬砌.......................................223.4.1监控量测......................................223.4.1．1现场监控量测目的...........................223.4.1.5监控量测实施...............................253.4.1.5周边水平位移量测...........................253.4.1.5拱顶下沉量测...............................253.4.1.6地表下沉量测................................263.4.1.7量测数据分析和信息反馈....................263.4.2锚杆..........................................263.4.2．1φ22mm砂浆锚杆.............................263.4.2.2φ25mm中空注浆锚杆..........................283.4.2钢筋网........................................293.4.2．1钢筋网制作要求.............................293.4.2.2钢筋网施工..................................293.4.3钢架..........................................303.4.3.1钢架制造要求................................303.4.3.2钢架施工....................................303.4.3.3钢架安装...................................323.4.4喷射混凝土....................................323.4.4．1喷射...
