钻孔灌注桩首件施工方案word2021年版（48页）VIP免费

钻孔灌注桩首件施工方案二〇二一年三月目录第一章 编制目的及依据....................................................11.1 编制目的.............................................................11.2 编制依据.............................................................11.3 编制原则.............................................................21.4 编制范围.............................................................2第二章 工程概况..........................................................32.1 工程概述.............................................................32.2 首件拟选.............................................................32.3 桩基首件工程数量表...................................................4第三章 主要人员、机械设备及资源需求计划..................................53.1 主要人员投入........................................................53.2 资源需求计划.........................................................53.2.1 主要设备配备及需求计划...........................................53.2.2 主要劳动力需求计划...............................................6第四章 施工方案..........................................................74.1 施工工艺流程图.......................................................74.1.1 流程图...........................................................74.2 施工准备.............................................................84.2.1 技术准备.........................................................84.2.2 现场准备.........................................................84.3 钻孔施工.............................................................94.3.1 钢护筒制作埋设...................................................94.3.2 钻机就位........................................................104.3.3 泥浆制作及循环..................................................104.3.4 成孔与终孔......................................................114.3.5 清孔............................................................124.4 钢筋笼制作与安装..........