三亚市东岸村棚户区改造安置区建设项目基坑支护及土方开挖、降水施工方案三亚市东岸村棚户区改造安置区建设项目基坑支护及土方开挖、降水施工方案(地块二)编制人:审核人:审批人:编制单位:中国建筑第六工程局有限公司三亚市东岸村棚户区改造安置区建设项目基坑支护及土方开挖、降水施工方案编制日期:2016年12月28日三亚市东岸村棚户区改造安置区建设项目基坑支护及土方开挖、降水施工方案目录1.编制目的......................................................-1-2.编制依据......................................................-1-2.1相关图纸................................................-1-2.2主要法规及规范性文件....................................-1-3.工程概况......................................................-3-3.1工程概况................................................-3-3.2场地概况................................................-3-3.3基坑周边环境............................................-5-3.4基坑支护概况............................................-6-3.5水文地质条件...........................................-10-3.6基坑工程的难点、重点....................................-11-3.7资源配置计划...........................................-11-3.7.1劳动力计划........................................-11-3.7.2材料准备..........................................-12-4.施工准备.....................................................-14-4.1现场交接及临设准备.....................................-14-4.2临时用水用电...........................................-15-4.3施工平面布置...........................................-15-4.4测量放线...............................................-15-4.5技术准备...............................................-16-5.施工部署.....................................................-16-5.1施工目标................................................-16-5.2施工工期................................................-16-5.3人员配备................................................-16-5.4基坑支护桩施工顺序......................................-17-6.基坑支护施工方案.............................................-19-6.1钻孔灌注桩施工..........................................-19-6.1.1工艺流程..........................................-19-6.1.2施工要点..........................................-19-6.1.3质量保证措施......................................-24-6.2冠梁施工................................................-24-6.2.1工艺流程..........................................-24-6.2.2施工要点..........................................-24-6.2.3质量保证措施.....................................-25-6.3锚索及腰梁施工..........................................-25-6.3.1工艺流程..........................................-25-6.3.2施工要点..........................................-26-6.3.3锚索的试验及检测..................................-28-6.3.4锚索施工防漏砂措施................................-28-6.3.5质量保证措施......................................-28-6.4高压旋喷桩施工..........................................-29-三亚市东岸村棚户区改造安置区建设项目基坑支护及土方开挖、降水施工方案6.4.1工艺流程..........................................-29-6.4.2施工方法..........................................-29-6.4.3施工注意事项......................................-30-6.4.4质量保证措施......................................-31-7.挂网喷射混凝土..............................................-31-7.1.工艺流程..........................................