陆地钻孔灌注桩施工作业指导书路桥集团第二公路工程局苏通大桥D2标项目经理部2004-6-23目录1.工程概况............................................................................................................................................................12.1工程概况.........................................................................................................................................................12.2工程地质水文条件.........................................................................................................................................12.1.1地形地貌.......................................................................................................................................................12.1.2工程地质.......................................................................................................................................................12.1.3气象条件.......................................................................................................................................................22.已完成基桩施工总结........................................................................................................................................32.1施工工艺总结..................................................................................................................................................32.1基桩施工过程中存在的问题..........................................................................................................................32.2原因分析..........................................................................................................................................................43.钻孔灌注桩施工................................................................................................................................................53.1钻孔施工..........................................................................................................................................................53.1.1一般要求.......................................................................................................................................................53.1.2施工准备.......................................................................................................................................................53.1.3钻孔施工.......................................................................................................................................................73.1.4清孔.............................................................................................................................................................163.1.5钻孔意外故障应急措施.............................................................................................................................163.2钢筋笼的制作及安装....................................................................................................................................183.2.1一般要求.....................................................................................................................................................183.2.2施工准备.....................................................................................................................................................183...
