1目录第一章编制依据....................................................................................................................3第二章工程概况......................................................................................................................4第一节基本情况......................................................................................................................4第二节设计概况......................................................................................................................4第三节基坑支护结构设计概况...............................................................................................5第四节周边环境及场地条件...................................................................................................5第五节工程地质及水文地质概况...........................................................................................8第三章塔吊选型及平面布置..................................................................................................10第一节塔吊选型及塔吊参数...................................................................................................10第二节塔吊平面布置.............................................................................................................11第五章塔吊基础设计...........................................................................................................12第一节塔吊基础选型...............................................................................................................12第二节塔基设计参数...............................................................................................................12第六章施工技术措施...........................................................................................................14第一节塔吊基础施工流程.....................................................................................................14第二节塔吊格构柱制作.........................................................................................................15第三节钻孔灌注桩施工及钢格构柱安装.............................................................................16第四节土方开挖及格构柱支撑安装.....................................................................................21第五节混凝土承台施工.........................................................................................................22第六节施工质量控制及检验要求.........................................................................................23第七章施工安全措施.............................................................................................................28第一节塔吊基础施工安全措施.............................................................................................28第二节塔吊的沉降控制及监测要求.....................................................................................28第三节塔吊避雷措施.............................................................................................................292第八章群塔作业安全措施....................................................................................................29第九章应急预案..................................................................................................................31第九章计算书...............................................