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珠海某项目基坑支护工程施工方案.doc

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珠海 项目 基坑 支护 工程施工 方案
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目 录第 1 章 概 述 .........................................................................................71.1 施工组织设计编制依据及说明 ..................................................................................................71.1.1 编制依据 ...........................................................................................................................71.1.2 编制说明 ...........................................................................................................................71.2 工程概况 ......................................................................................................................................71.2.1 工程概况 ...........................................................................................................................71.2.2 工程重点及难点 .......................................................................................................................81.2.2.1 工程重点 ...........................................................................................................................81.2.2.2 工程难点及解决方案 .......................................................................................................81.2.3 本次施工范围 ...................................................................................................................91.2.5 工程水文地质条件 .........................................................................................................111.3 施工准备工作 ............................................................................................................................111.3.1 技术准备 .........................................................................................................................111.3.2 生产准备 .........................................................................................................................12第 2 章 项目班子 .....................................................................................13项目经理部组织结构图 .............................................................................14第 3 章 施工总目标 .................................................................................143.1 质量管理目标 ............................................................................................................................143.2 安全管理目标 ............................................................................................................................153.3 工期管理目标 ............................................................................................................................153.4 文明施工及环境保护管理目标 ................................................................................................15第 4 章 施工现场总平面布置 .................................................................154.1 施工现场总平面设计原则 ...........................................................................................................154.2. 布置说明 .....................................................................................................................................164.2.1.总体规划 ............................................................................................................................164.2.2 临时道路 .........................................................................................................................164.2.3 生产性临时设施 .............................................................................................................164.2.4 生活性临时设施 .............................................................................................................164.2.5 临时用电 ...........................................................................................................................174.2.6 临时给水 ...........................................................................................................................174.2.7 临时排水 ...........................................................................................................................174.2.8 现场硬地化 .......................................................................................................................174.3 现场管理措施 ..............................................................................................................................184.4 本章附件 ....................................................................................................................................19第 5 章 施工进度 .....................................................................................195.1 施工工期目标 ............................................................................................................................195.2 施工进度计划 ............................................................................................................................195.2.1 进度计划编制说明 .........................................................................................................195.3 工期控制及保证措施 ........................................................................................................205.3.1 组织措施 .........................................................................................................................205.3.2 管理措施 .........................................................................................................................215.3.3 经济措施 .........................................................................................................................225.3.4 技术措施 .........................................................................................................................225.4 本章附件 ....................................................................................................................................23第 6 章 资源需求计划 .............................................................................236.1 综述 ............................................................................................................................................236.2 主要施工机械设备进退场计划 ................................................................................................24第 7 章 施工机械选型情况 .....................................................................257.1 机械设备选型原则及方法 ........................................................................................................257.2 土方挖运主要施工机械设备选型 ............................................................................................267.2.1 单斗挖土机 .....................................................................................................................267.2.2 自卸汽车 .........................................................................................................................277.2.3 泥浆运输车 .....................................................................................................................277.3 基坑支护主要施工机械设备选型 ............................................................................................277.3.1 钻孔桩施工机械设备 .....................................................................................................277.3.2 搅拌桩施工机械设备 .....................................................................................................277.3.3 预应力锚索施工机械设备 .............................................................................................277.4 其它机械设备、器具、工具、施工设施等选型及配备 ........................................................28表 7.4.1 拟投入的主要施工机械设备表 ................................................28第 8 章 质量保证体系及措施 .................................................................298.1 公司质量管理概述 ....................................................................................................................298.2 本工程质量管理目标 ................................................................................................................298.3 质量管理及保证体系 ................................................................................................................298.4 质量保证措施 ............................................................................................................................308.4.1 管理措施 .........................................................................................................................308.4.2 技术措施 .........................................................................................................................33项目 .............................................................................................................36数值 .............................................................................................................36偏差 .............................................................................................................36项目 .............................................................................................................36数值 .............................................................................................................36偏差 .............................................................................................................36桩径 .............................................................................................................361m 、1.2m ...................................................................................................3650mm.............................................................................................................36桩距 .............................................................................................................362.00m...........................................................................................................3630mm.............................................................................................................36桩长 .............................................................................................................3614.8m、15m、13.08、14.08m、15.7m、16.08 .......................................3616.8m...........................................................................................................36+200mm.........................................................................................................36砼强度 .........................................................................................................36C40...............................................................................................................36钢筋笼长度 .................................................................................................3614.8m、15m、13.08、14.08m、15.7m、16.08 .......................................3616.8m...........................................................................................................3650mm.............................................................................................................36孔底沉渣 .....................................................................................................36200mm...........................................................................................................36钢筋笼直径 .................................................................................................360.865m、1.065m .........................................................................................3610mm.............................................................................................................36主筋间距 .....................................................................................................3650mm.............................................................................................................3610mm.............................................................................................................36箍筋间距 .....................................................................................................368mm...............................................................................................................3620mm.............................................................................................................36保护层厚度 .................................................................................................3650mm.............................................................................................................365mm...............................................................................................................36加劲箍直径 .................................................................................................3614mm.............................................................................................................3620mm.............................................................................................................36加劲箍间距 .................................................................................................362.00m...........................................................................................................3620mm.............................................................................................................36项 目 .............................................................................................................39数 值 .............................................................................................................39偏 差 .............................................................................................................39项 目 .............................................................................................................39数 值 .............................................................................................................39偏 差 .............................................................................................................39控 制 桩 位 ....................................................................................................3910mm ..........................................................................................................39桩 位 定 位 ....................................................................................................3950mm ..........................................................................................................39桩 径 .............................................................................................................39500~550mm................................................................................................3920mm ..........................................................................................................39桩 长 .............................................................................................................390.1m ............................................................................................................39水 泥 用 量 ....................................................................................................3965~75kg/m..................................................................................................395kg/m..........................................................................................................39桩 身 强 度 .............................................................
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