地下室工程施工方案

目录1编制依据································································································22工程概况································································································22.1工程规模······························································································22.2工程结构设计概况··················································································33施工准备································································································33.1技术准备·····························································································33.2基础施工阶段劳动力投入········································································33.4施工顺序·····························································································54施工工艺································································································54.1基坑排水·····························································································54.2混凝土垫层施工····················································································64.3基础砖胎膜施工·····················································································64.4防水层施工···························································································84.5防水保护层························································································104.6施工缝做法·························································································114.7承台、底板施工···················································································114.8墙柱及顶板施工··················································································194.9特殊部位的防水做法············································································264.10后浇带处理······················································································265质量保证措施························································································285.1项目质量管理目标···············································································285.2设置质量管理机构···············································································285.3保证人员素质·····················································································285.4明确责任，实行奖罚制·········································································295.5确保工程质量的技术管理措施································································296安全生产管理措施··················································································296.1安全管理的基本原则············································································296.2健全管理体系······················································································306.3认真执行各项安全管理制度···································································306.4安全生产教育······················································································317工期保证措施和施工进度计划···································································317.1工期目标和工期安排············································································317.2工期保证措施······················································································31—第2页—1编制依据1.1工程施工合同1.2本工程施工图纸及设计说明1.3图纸会审纪要及设计变更1.4混凝土结构工程施工质量验收规范(GB50204-2002)1.5建筑工程施工质量验收统一标准(GB50300-2001)1.6地下防水工程施工质量验收规范(GB50208-2002)1.7钢筋焊接及验收规程(JGJ18-96)2工程概况2.1工程规模工程名称美的御海东郡花园地块二三期高层住宅工程工程地址佛山市顺德区容桂高黎社区居委会外环路以东建设单位佛山市顺德区捷高房产有限公司设计单位佛山瀚华建筑设计有限公司总包单位中建三局建设工程股份有限公司工程主要功能或用途本工程为社区高层住宅楼，其中包括4栋住宅，1个地下车库，以及室内给排水、强弱电系统工程单位工程名称建筑物层数建筑面积（m2）层高（m）结构形式首层标准层地下室224032.183.5/-2F3.5~4.7/-1F框剪2栋A型3283754.85.53.0框剪1栋B1B2型325.53.0框剪1栋C1C2型325.53.0框剪合计107786.98—第3页—2.2工程结构设计概况A型B型C型4栋主体概况4栋裙楼结构形式框架剪力墙结构抗震设防等级抗震设防裂度：7度。抗震等级：框架剪力墙二级。混凝土强度等级及抗渗要求承台、地梁、底板地下室墙柱地下室顶板裙楼墙柱（含地下室部分）裙楼梁板过梁构造柱C30、P8C30、P8C30、P6C30~C50C30~C25C20钢筋类别：采用Ⅰ、Ⅱ、Ⅲ级钢筋本工程地下室分为两层，建筑面积24032.18㎡，负一层层高3.5～4.7m，负二层层高3.5m，底板厚度为500㎜。3施工准备3.1技术准备3.1.1组织有关施工人员认真熟悉图纸，制定材料进场计划。3.1.2根据工程的定额用工编排劳动力、机械及周转材料的进场计划。3.1.3制定施工进度计划。3.1.4做好桩基工程的验收与资料移交工作。3.2基础施工阶段劳动力投入3.2.1土方工程采用机械挖土与人工挖土相结合，计划需挖土工30人，机操工5人。.3.2.2钢筋专业队：地下室计划钢筋工共约280人，主体结构计划每个单体配备钢筋工30人、焊工16人，临时突击焊工5名。3.2.3模板专业队：地下室计划投入木工460人.3.2.4砼专业队：地下室计划投入砼工50人，连续浇捣时，分早、中、夜三班，由专—第4页—业承包人任队长，设兼职质检员及安全员各一名，下属2个施工班组，各班组人员可机动，班长固定。3.2.5特种工：机操工16名，塔吊司机工8人，电工4名，机修工4名，架子工250名。3.2.6砌筑专业队：计划投入砌筑工人50人。3.3机械设备准备3.3.1主要机械设备一览表表3-2名称型号单位数量备注自升式起重机QTZ80型台3自升式起重机QTZ63型台1挖掘机ZL30C台5钢筋成型弯曲机GJ7-40台2钢筋切断机GQ350台2卷扬机JK2B台1交流电焊机BXI-500台8平刨机MB574台2圆盘锯MJ104A台2压刨机MB160A台2插入式振捣器HZ50台15应有备用数—第5页—3.4施工顺序3.4.1测量放线底板、承台沟槽土方开挖桩头处理沟槽底砼垫层砖模承台外回填土承台钢筋绑扎底板筋底层钢筋绑扎底板上层钢筋及竖向插筋固定止水带安装底板高低差处及止水带下墙模板安装加固底板砼浇筑-2层地下室墙、柱钢筋绑扎-2层地下室墙、柱模板安装加固2层地下室墙、柱混凝土浇筑支设地下室-2层顶板模板绑扎地下室-2层顶板钢筋-2层地下室顶板混凝土浇筑-1层地下室墙、柱钢筋绑扎-1层地下室墙、柱模板安装加固-1层地下室墙、柱混凝土浇筑支设地下室-1层顶板模板绑扎地下室-1层顶板钢筋-1层地下室顶板混凝土浇筑地下室外墙防水层施工防水保护墙砌筑回填土4施工工艺4.1基坑排水4.1.1本工程地下室位置靠近河道，地下水十分丰富，施工正好处于雨季，地下水位不断上升，土内含水接近饱和状态，这种施工条件给基础施工带来很大的困难。因此根据实际情况我单位将采用设置降水井和排水沟的方法通过潜水泵及时将地下室积水排出，潜水泵设备为功率3KW，口径80mm油浸式潜水泵，潜水泵最大扬程为10m，每小时排水量为60m3/小时。4.1.2根据工程的结构、特点、进度要求及现场实际情况，投入足够的施工人员，机械设备按种类和数量组织进场。合理规划摆放位置，暂时未用的设备应维修完好待命。现场测量人员用白灰划出降水井的位置，本工程计划开挖