裴家垣隧道Word文档右线出口v2-b级围岩洞身开挖施工组织设计城轨14-1费跃铖1448043105杨康1448043136Word文档目录一、施工步骤..........................................................................................................................2二、施工工艺..........................................................................................................................21、洞身开挖.............................................................................................................................................................................22、初期支护.............................................................................................................................................................................4(1)初期支护施工程序...................................................................................................................................................4(2)施工方法...............................................................................................................................................................4(3)湿喷法喷射砼......................................................................................................................................................4(4)型钢拱架施工......................................................................................................................................................7(5)钢筋网施工..........................................................................................................................................................9(6)中空锚杆、砂浆锚杆及锁脚钢管.................................................................................................................9(7)超前小导管支护工艺...................................................................................................................................10(8)监控量测.............................................................................................................................................................11三、施工供风、供水、供电及排水方案...........................................
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