北新·御龙湾I期三街区B组团人工挖孔桩施工安全专项施工方案编号:_TJ-FA-2017-B组团-04__湖南北新天际建设工程有限公司重庆合川项目部2017年8月4日北新·御龙湾I期三街区B组团人工挖孔桩施工安全专项方案编制人:______________审核人:______________批准人:______________目录第一章、编制依据................................................................................................................................1第二章、工程概况................................................................................................................................41、项目简介..................................................................................................................................42、拟建建筑参数表.......................................................................................................................53、基础工程概况...........................................................................................................................64、地质概况..................................................................................................................................7第三章、人工挖孔桩施工进度计划及相关计划.................................................................................81、基础工程施工进度计划...........................................................................................................82、主要机具设备计划表...............................................................................................................83、安全应急物资及安全设施计划...............................................................................................9第四章、人工挖孔桩施工方法...........................................................................................................101、挖孔桩施工工艺流程.............................................................................................................102、基础分项工程及质量验收检验批划分.................................................................................103挖孔桩施工方法.......................................................................................................................104成孔施工..................................................................................................................................155、桩身混凝土浇筑控制.............................................................................................................176、挖孔桩柱基遇到淤泥层采取的特殊施工措施.....................................................................197、桩帽及承台排水措施.............................................................................................................198、桩基础施工质量及施工安全控制要点.................................................................................209、人工挖孔桩质量检测验收.....................................................................................................22第五章、施工安全保障措施...............................................................................................................221、组织保障措施.........................................................................................................................222、安全风险评估.........................................................................................................................253、人工挖孔桩开...
