办事处华联片区雨污分流管网工程施工组织设计
第一章 工程概况 .............................................. 0 §1.1 工程地理位置 ...................................................................................... 0 §1.2 工程规模及要紧工程数量 .................................................................. 0 §1.3 工期和质量要求 .................................................................................. 1 §1.4 工程周边情形 ...................................................................................... 1 §1.5 编制依据 ............................................................................................. 2 §1.6 要紧参建单位 ...................................................................................... 2 第二章 组织机构 .............................................. 3 §2.1 项目组织机构 ...................................................................................... 3 第三章 施工方法与三新应用 ................................... 5 §3.1 施工总体部署 ...................................................................................... 5 §3.2施工方法 ................................................................................................ 6 §3.3 明挖管道施工 ........................................................................................ 6 §3.3.1 路面拆除 ......................................................................................... 6 §3.3.2 支护、开挖 ..................................................................................... 7 §3.3.4 混凝土管道 ................................................................................... 10 §3.3.5闭水试验、沟槽回填 ...................................................................... 11 §3.4 管道顶管施工 ...................................................................................... 12 §3.4.1 工作井、接收井 ............................................................................ 12 §3.4.2 设备选型及顶力运算 ..................................................................... 14
§3.4.3 井上设备安装 ................................................................................ 14 §3.4.4 井内设备安装 ................................................................................ 15 §3.4.5 顶进施工 ....................................................................................... 16 §3.5 分流立管改造施工 ............................................................................... 17 §3.5.1 脚手架搭设 ................................................................................... 18 §3.5.2 预制加工 ....................................................................................... 18 §3.5.3 管道安装 ....................................................................................... 18 §3.5.4 灌水试验 ....................................................................................... 18 §3.5.5管道清淤 ........................................................................................ 18 §3.6新建或清掏化粪池 ................................................................................ 19 §3.7道路复原 .............................................................................................. 19 一、施工流程 .............................................................................................. 19 二、施工操作 .............................................................................................. 20 三、面层施工 .............................................................................................. 20 四、人行道施工 .......................................................................................... 21 §3.8 三新应用 ............................................................................................. 21 §3.8.1 GPS测量技术 ................................................................................. 21 §3.8.2 静压植桩机 ................................................................................... 21 §3.8.3 液压劈裂机 ................................................................................... 22 §3.8.4 早强剂 .......................................................................................... 22 第四章 重点与难点 ............................................ 22
§4.1 安全文明施工是本工程施工的重点和难点 ............................................. 22 §4.1.1 重难点分析 ................................................................................... 22 §4.1.2 应对措施 ....................................................................................... 23 §4.2 施工场地紧张是本工程施工的难点 ....................................................... 24 §4.2.1 重难点分析 ................................................................................... 24 §4.2.2 应对措施 ....................................................................................... 24 §4.3 工期紧张是本工程施工的难点 .............................................................. 24 §4.3.1 重难点分析 ................................................................................... 24 §4.3.2 应对措施 ....................................................................................... 25 §4.4 交通疏解是本工程施工的重点 .............................................................. 26 §4.4.1 重难点分析 ................................................................................... 26 §4.4.2 应对措施 ....................................................................................... 26 §4.5 管线爱护是本工程施工的重点和难点.................................................... 28 §4.5.1 重难点分析 ................................................................................... 28 §4.5.2 应对措施 ....................................................................................... 28 §4.6 顶管施工是本工程施工的重点和难点.................................................... 29 §4.6.1 重难点分析 ................................................................................... 29 §4.6.2 保证措施 ....................................................................................... 30 §4.7 基坑支护与开挖是本工程施工的重点.................................................... 31 §4.7.1 重难点分析 ................................................................................... 31 §4.7.2 应对措施 ....................................................................................... 31 §4.8 塑料管道与检查井的连接是本工程施工的重点 ...................................... 32
办事处华联片区雨污分流管网工程施工组织设计
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