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中国葛洲坝集团股份有限公司北翟高架路道路改建工程2标目录一、工程概况........................................................41.1总体工程概况............................................41.2周边环境及地下管线的影响................................41.3雨、污水顶管设计情况....................................41.4雨污水顶管工作井、接收井设计情况.........................5二、工程地质情况介绍................................................7三、编制依据........................................................8四、总体施工流程....................................................9五、工作井、接收井施工工艺.........................................105.1钻孔灌注桩围护施工.....................................105.1.1钻孔灌注桩施工工艺....................................105.1.2放桩位线..............................................105.1.3埋设护筒..............................................115.1.4钻机就位..............................................115.1.5正循环成孔............................................115.1.6成孔泥浆的配制管理....................................125.1.7第一次清孔............................................135.1.8钢筋笼制作............................................135.1.9钢筋笼安装...........................................135.1.10钢筋笼安装导管安装及二次清孔.........................145.1.11混凝土施工...........................................145.2高压旋喷桩施工..........................................155.3.1SMW工法工艺流程图....................................195.3.2测量放样..............................................205.3.3挖桩槽................................................205.3.4深层搅拌桩部分主要工序施工技术质量控制................215.3.5H型钢的插入施工.....................................225.5.1基坑土方挖土..........................................275.5.2挖土施工技术措施......................................275.5.3基坑渗水处理措施......................................285.6钢筋砼内衬施工..........................................295.6.1钢筋工程..............................................295.6.2、模板工程.............................................305.6.3、混凝土工程...........................................31六顶管施工........................................................336.1顶管情况概述...........................................336.2顶管施工工艺流程.......................................341中国葛洲坝集团股份有限公司北翟高架路道路改建工程2标6.3工具管选型..............................................356.4施工流程................................................356.5顶管掘进机选择与配套设备................................366.6管口、接口及附件........................................396.7工作坑后座的受力分析....................................406.8顶力控制................................................426.9顶进管道接口处理........................................446.10顶管注触变泥浆减阻工艺.................................446.11土压、泥水平衡控制.....................................456.12测量与方向控制.........................................456.13进出洞口措施..........................................466.14顶管施工质量要求......................................476.15顶管施工时主要安全技术措施.............................476.16、顶进纠偏应急与预防措施................................486.17顶管施工质量通病及防治措施.............................496.18顶管应急...