目录一、工程概况...............................................................................................................................11.1工程简介..........................................................................................................................11.2参建单位..........................................................................................................................11.3水文地质情况...................................................................................................................11.3.1地形、地貌.............................................................................................................11.3.2地基土构成与特征.................................................................................................11.3.3水文条件概况.........................................................................................................21.4编制依据..........................................................................................................................3二、塔吊设计及选型....................................................................................................................32.11#塔吊设计说明...............................................................................................................52.21#塔吊基础设计情况.......................................................................................................62.31#塔吊性能情况...............................................................................................................72.42#、3#、4#、5#塔吊设计说明.......................................................................................82.52#、3#、4#、5#塔吊基础设计情况...............................................................................92.62#、3#、4#、5#塔吊性能情况.....................................................................................10三、钻孔灌注桩施工方案..........................................................................................................113.1钻机的选择.....................................................................................................................113.2.1钻孔灌注桩施工工艺流程...................................................................................113.2.2测量放样...............................................................................................................123.2.3护筒制作、埋设...................................................................................................123.2.4钻头选择...............................................................................................................123.2.5钻进技术参数.......................................................................................................123.2.6钻进泥浆...............................................................................................................123.2.7钻渣、废浆的处理...............................................................................................123.2.8成孔质量控制.......................................................................................................123.2.9钢筋笼制作定位...................................................................................................133.2.10钢筋笼的吊放.....................................................
