金湖路道路工程一标钻孔桩穿越溶洞专项方案编制： 审核： 审批： 中铁五局贵州公司金湖路道路工程 1 标项目部二〇一三年五月目 录下载后可任意编辑目 录....................................................................11、工程概况..............................................................31.1 设计概况..............................................................31.2 地质条件:.............................................................31.2.1 地层岩性自上而下依次为：..........................................31.2.2 地质状况分析：....................................................32、编制依据..............................................................53、施工计划..............................................................54、施工工艺及方法........................................................54.1 施工准备................................................................64.1.1 技术准备............................................................64.1.2 机具准备............................................................64.1.3 材料准备............................................................64.1.4 作业准备............................................................64．2 施工工艺流程...........................................................74.3 施工方法................................................................74.3.1 测量放样............................................................74.3.2 埋设钢护筒..........................................................84.3.3 钻机就位............................................................84.3.4 钻机钻孔...........................................................94.3.5 穿越溶洞填充段钻孔施工.............................................104.3.6 成孔检查...........................................................104.3.7 排渣、清孔.........................................................114.3.8 钻孔与灌注作业的连续性.............................................124.3.9 注意事项..........................
