高精度砌块专项施工方案

施工组织设计文件勇拓蓝澳岛（二期）建设工程高精度砌块专项施工方案重庆建工第二建设有限公司二〇一七年十一月重庆建工第二建设有限公司高精度砌块专项施工方案勇拓蓝澳岛（二期）建设工程-2-目录第一章工程概况级编制依据···········································································3一、工程概况························································································1二、编制依据························································································1第二章材料、设备、工艺··············································································3一、主要材料························································································3二、机械设备························································································7三、工艺流程························································································7第三章施工部署··························································································8一、总体思路························································································8二、施工段划分及施工顺序······································································8三、施工的基本要求···············································································8四、管理架构及劳务用工·········································································9第四章主要施工工序···················································································10一、施工准备·······················································································10二、砌筑施工·······················································································13三、水电安装·······················································································15四、砌筑施工工艺要点及注意事项····························································15第五章构造要求·························································································18第六章质量检查和控制措施··········································································22一、检查标准要求·················································································22二、质量通病防治·················································································22三、成品保护·······················································································23四、雨期施工措施·················································································24第七章安全文明施工···················································································24一、安全施工保证措施···········································································24二、文明施工与环境保护措施··································································26重庆建工第二建设有限公司高精度砌块专项施工方案勇拓蓝澳岛（二期）建设工程-3-第一章工程概况及编制依据一、工程概况勇拓蓝澳岛（二期）工程地处重庆渝北区回兴街道金果大道北侧，建筑面积75539.01m2，包括左区车库、售房部、右区车库以及10栋洋房。基础形式有桩基础、独立基础、筏板基础，主体结构形式为框架剪力墙结构，建筑层数-1F/11F～15F。该地块属于两路组团石盘河片区，整体地形起伏较大，与周边高差较大，高差约30米。项目交通便利，场地开阔，施工条件便利。二、编制依据1、施工图纸、施工合同2、蒸压加气混凝土砌块应用技术规程（DBJ50-055-2006）3、钢筋混凝土过梁（03G322）4、砌体工程施工质量验收规范（GB50203-2011）5、万科产品质量实测操作指引（A5版）6、万科高精度砌块操作指引（2017.3.19）重庆建工第二建设有限公司高精度砌块专项施工方案勇拓蓝澳岛（二期）建设工程-4-第二章材料、设备、工艺一、主要材料部位砖或砌块强度等级密度等级砂浆强度等级备注外墙；楼电梯间隔墙蒸压加气混凝土精确砌块MU5.0600级M5厨房、卫生间200厚内墙蒸压加气混凝土精确砌块MU5.0600级M5其它200厚内墙蒸压加气混凝土精确砌块MU3.5600级M5100厚内墙蒸压加气混凝土精确砌块MU10600级M5基础顶面至地坪以上300高墙体；挡土砖砌体烧结页岩多孔砖MU10800级M1012孔及以上砌块专用专用粘结剂厂家提供高精砌块标准要求：a)出厂砌块上必须用钢钉刻印生产日期，保证养护期限7d，项目现场验证，不足龄期退货处理。(每一包装外围砌块都有生产日期，里面砌块无法刻印)b)出厂砌块上必须标注厂家LOGO，战略供应商提供现场材料验证服务，如发现总包未采用指定供应商厂品，必须知会监理甲方，项目中心除验证现场材料外，需对供货清单验证。c)产品出厂需用塑料膜包装保护，防止雨淋，厂家负责卸车落地。d)材料规格尺寸，强度检查按相应规范及检测办法执行（优等品执行，详见下附表）。重庆建工第二建设有限公司高精度砌块专项施工方案勇拓蓝澳岛（二期）建设工程-5-项目指标优等品（A）合格品（B）尺寸允许偏差/mm长度L±3±4宽度B±1±2高度H±1±2缺棱掉角最小尺寸不得大于/mm00最大尺寸不得大于/mm00大于以上尺寸的缺棱掉角个数，不多于/个00裂纹长度贯穿一棱二面的裂纹长度不得大于裂纹所在面的裂纹方向尺寸总和的00任一面上的裂纹长度不得大于裂纹方向尺寸的00大于以上尺寸的裂纹条数，不多于/条00爆裂、粘模和损坏深度不得大于/mm1010平米弯曲不允许表面输送、层裂不允许表面油污不允许立方体抗压强度A3.5/A5.0平均值不得小于/MPa3.5/5.0单组最小值不得小于/MPa2.8/4.0干燥收缩值（标准法）不得大于/（mm/m）0.20.5粘结剂材料进场时，生产厂家按批量提供产品的质量证明文件及使用说明书。各项指标应符合下表要求：序号项目单位性能指标1外观--均匀一致，无结块2保水性%≥993流动性mm120~1504抗压强度MPa5.0～10.05抗折强度MPa≥2.26拉伸粘结强度MPa≥0.6重庆建工第二建设有限公司高精度砌块专项施工方案勇拓蓝澳岛（二期）建设工程-6-7压剪粘接强度MPa原强度≥1.0耐冻融≥0.48可操作时间h≥49收缩值%≤0.3界面剂材料进场时，生产厂家按批量提供产品的质量证明文件及使用说明书。各项指标应符合下表要求：序号项目单位性能指标1外观--均匀一致，无结块2保水性%≥993流动性mm120~1506拉伸粘结强度（7天）MPa7天≥0.414天≥0.67剪切粘接强度MPa7天≥1.014天≥1.5耐碱玻纤网格布选用成品宽度200mm宽的耐碱玻纤网格布。各项指标应符合下表要求：序号项目单位性能指标1标准单位面积质量g/m2≥1602耐碱拉伸断裂强力（经、纬向）N/50mm≥13003耐碱断裂强度保留率（经、纬向）%≥754氧化锆含量%14.5±0.85氧化钛含量%6.0±0.56涂塑量g/m2≥20重庆建工第二建设有限公司高精度砌块专项施工方案勇拓蓝澳岛（二期）建设工程-7-二、机械设备序号机械（工具）名称用途1塔吊、施工电梯、材料运输3砂浆强制式搅拌机、搅拌器制作砂浆、搅拌粘结剂4切割机、手锯、镂槽器砌块切锯、切割管线预留槽、镂槽埋筋5手推小车、灰斗、灰铁锹运输铲运及盛放砂浆6刮勺、刮刀、橡胶锤、磨板铺灰、压实、刮平7线锤、皮数杆砌筑找水平及垂直用8支模具、夹具构造柱、混凝土梁设置9靠尺、卷尺、放线工具放线、实测10其他工具、材料三、工艺流程重庆建工第二建设有限公司高精度砌块专项施工方案勇拓蓝澳岛（二期）建设工程-8-第三章施工部署加强标准化生产管理，有效提高施工效率，根据结构施工进度有效组织砌体施工，在提高工程质量的前提下，加快施工进度。一、总体思路本工程为洋房工程，11-15层，在结构施工完毕后砌体施工队伍开始进场，做好前期人员、材料及设备的准备工作，并先做砌体样板，当每栋楼施工面达到五层且施工电梯就位后，大面积展开施工，追随混凝土结构施工进度。二、施工段的划分及施工顺序根据本工程实际情况，将工程划分为四个施工段，如下图所示：三、施工的基本要求工程施工的总的原则是先地下后地上；先结构后围护；先主体后装饰装修；室内砌筑和粗装修，除特殊要求外，原则上是由下至上逐层进行，及早插入装修，降低劳动力高峰，减少装修和设备安装占用的有效日历天数，做到科学管理，均衡施工。重庆建工第二建设有限公司高精度砌块专项施工方案勇拓蓝澳岛（二期）建设工程-9-上道工序的完成要为下道工序创造施工条件、下道工序的施工能够保证上道工序的成品完成不受损坏，以减少不必要的返工浪费，确保工程质量。根据工种和工序不同，划分为放线实测组、砌筑施工组、构造施工组。四、管理架构及劳务用工管理人员组织架构项目总工李京川生产经理王杰龙项目书记佘霁项目经理文六智技术助理张浩技术部门技术内业2人试验检测2人安全负责人杜立涛安全部门安全员3人质量负责人邹明富质量部门质检员1人施工