人工挖孔桩施工方案编制人：审核人：1批准人：四川路桥桥梁工程有限责任公司**项目部2013年1月31日目录一、编制依据-------------------------------------------------------------------------------------------------------------------------1二、工程概况-------------------------------------------------------------------------------------------------------------------------1三、组织机构及职责---------------------------------------------------------------------------------------------------------------2四、施工部署及施工计划---------------------------------------------------------------------------------------------------------34.1施工部署--------------------------------------------------------------------------------------------------------------------------34.2施工计划--------------------------------------------------------------------------------------------------------------------------4五、水磨钻人工挖孔桩施工方法-----------------------------------------------------------------------------------------------45.1施工工艺流程--------------------------------------------------------------------------------------------------------------------45.2施工准备--------------------------------------------------------------------------------------------------------------------------55.3施工方法及措施----------------------------------------------------------------------------------------------------------------65.2.1定位及井台----------------------------------------------------------------------------------------------------------------65.2.2排水施工措施-------------------------------------------------------------------------------------------------------------75.2.3提升支架-------------------------------------------------------------------------------------------------------------------75.2.4护壁施工-------------------------------------------------------------------------------------------------------------------85.2.5桩孔开挖------------------------------------------------------------------------------------------------------------------105.2.6挖孔桩终孔检查--------------------------------------------------------------------------------------------------------11六、钢筋笼制作、运输及安装-------------------------------------------------------------------------------------------------1126.1概述-------------------------------------------------------------------------------------------------------------------------------116.2钢筋笼加工---------------------------------------------------------------------------------------------------------------------126.2.1钢筋的验收及管理-----------------------------------------------------------------------------------------------------126.2.2主筋下料及钢筋笼成型----------------------------------------------------------------------------------------------126.2.3钢筋笼保护层-----------------------------------------------------------------------------------------------------------166.3钢筋笼的运输及安装--------------------------------------------------------------------------------------------------------176.4钢筋笼质量检验---------------------------------------------------------------------------------------------------------------18七、导管安装-----------------------------------------------------------------------------------------------------------------------...
