重庆港龙头作业区一期工程接岸挡墙施工方案中交第二航务工程局有限公司重庆港龙头作业区一期工程项目经理部2015年8月目录1编制依据................................................................12工程概况................................................................12.1工程简介..........................................................12.2自然条件..........................................................22.2.1地理位置...................................................22.2.2气象........................................................22.2.3水文.......................................................22.2.4地形地貌...................................................22.3施工要求..........................................................33挡土墙施工工艺..........................................................33.1施工工艺流程.....................................................53.2主要技术指标.....................................................53.3测量控制.........................................................63.4双排钢管脚手架的搭设拆除.........................................63.4.1施工工艺流程................................................63.4.2搭设要求....................................................63.4.3搭设具体要点................................................73.4.4双排脚手架拆除..............................................93.4.5检查与验收..................................................93.5模板制作与安装...................................................103.5.1施工准备...................................................103.5.2模板安装...................................................103.5.3模板拆卸...................................................123.5.4模板资源配置...............................................133.6挡墙主要施工方法.................................................133.6.1施工准备...................................................133.6.2基础开挖...................................................143.6.3挡土墙体浇筑与分段设置伸缩缝...............................163.6.4回填用料与泄水孔设置.......................................173.7大体积混凝土施工.................................................183.7.1原材料优选、配合比设计、混凝土制备与运输...................183.7.2混凝土振捣浇筑方法.........................................193.7.3混凝土保湿养护方法.........................................203.7.4混凝土缺陷处理.............................................214安全环保措施...........................................................214.1安全组织机构及措施...............................................214.2防滑坡措施.......................................................224.3环保体系组织机构.................................................235质量保证措施...........................................................245.1技术措施.........................................................255.2管理措施.........................................................255.3混凝土工程材料的质量.............................................255.4现场试验质量保证措施.............................................266文明施工措施...........................................................267进度计划...............................................................278资源使用计划...........................................................27落地式钢管脚手架计算书.....................................
