成都市建设北路北延线（蜀龙路五期）立交桥工程钻孔灌注桩专项施工方案编制：审核：审批：日期:中交二航局成都北改B标段项目管理部成都市建设北路北沿线（蜀龙五期）立交桥工程钻孔灌注桩专项施工方案目录第一章编制依据及原则..............................................3第二章工程概述....................................................52.1概述.......................................................52.1.1工程概述...............................................52.1.2地质概况...............................................62.1.3钻孔桩工程特点和施工难点...............................7第三章钻孔桩施工..................................................83.1总体施工方案...............................................83.2施工工艺...................................................83.3施工方法...................................................93.3.1施工准备...............................................93.3.2测量放线..............................................143.3.3钢护筒制作及埋设......................................143.3.4泥浆制备及其循环系统..................................153.3.5钻机就位..............................................163.3.6钻进成孔..............................................163.3.7成孔、成孔检查........................................173.3.8清孔..................................................183.3.9钢筋笼的制作与安装....................................183.3.10混凝土施工...........................................223.4旋挖桩施工应急措施........................................27第四章进度及资源计划.............................................324.1进度计划..................................................324.2材料计划...................................................324.3机械设备计划...............................................334.4人力资源计划...............................................34第五章组织体系...................................................36第六章质量安全文明环保措施.......................................38中交第二航务工程局有限公司1成都市建设北路...
