水中墩钢板桩围堰施工及安全专项方案2014年1月第1页共60页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共60页目录第一章编制说明.......................................................51.1编制依据........................................................51.2编制原则........................................................51.3适用范围........................................................6第二章工程概况.......................................................72.1工程简介........................................................72.2工程地质........................................................92.3水文...........................................................102.4工程目标.......................................................112.4.1工期目标...................................................112.4.2安全目标...................................................112.4.3环保目标...................................................112.4.4文明施工目标...............................................11第三章施工部署......................................................123.1组织机构.......................................................123.2拟投入管理人员及劳力...........................................143.2.1项目经理部管理层人员配备...................................143.2.2项目经理部作业层人员配备...................................143.3拟投入机械设备配备.............................................153.4施工进度计划...................................................16第四章钢板桩围堰施工方案............................................184.1钢板桩选型.....................................................184.2钢板桩围堰设计.................................................184.2.1浍河特大桥钢板桩围堰设计...................................184.2.2沱河大桥钢板桩围堰设计.....................................224.2.3濉河大桥钢板桩围堰设计.....................................244.2.4王引河大桥钢板桩围堰设计...................................244.3钢板桩围堰施工准备.............................................24第2页共60页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共60页4.3.1围堰材料准备...............................................244.3.2机械设备准备...............................................264.3.3现场准备...................................................274.4钢板桩的插打...................................................274.5内支撑安装.....................................................314.6水下吸泥施工...................................................334.7封底混凝土施工.................................................344.8围堰拆除.......................................................374.9钢板桩围堰施工可能遇到的问题及处理措施.........................384.9.1板桩倾斜、扭转.............................................384.9.2临桩连带下沉...............................................394.9.3硬土贯入困难...............................................394.9.4围堰渗漏处理措施...........................................394.9.5合龙困难...................................................404.9.6拔桩困难...................................................404.10钢板桩围堰变形、位移监测......................................414.11直爬梯设计....................................................414.11.1定义......................................................414.11.2技术要求............
