合肥矿业大厦地下室外墙防水技术交底 9页

'技术交底年月日工程名称五矿矿业（合肥）基地—五矿矿业大厦分项工程名称地下室外墙防水分部（子分部）工程基础一、施工准备1、技术准备（1）熟悉专业及其他相关专业纸，做好技术、坏境、安全交底；（2）地下室防水等级为二级，外包防水采用3厚水泥基防水涂料防水层，详见结构设计图。2、材料要求（1）防水卷材：三元乙丙橡胶防水卷材。应有质量认证、出厂合格证及复试合格报告；（2）底胶：聚氨脂底胶(相当于冷底子油汾甲、乙组份，甲为黄褐色胶体，乙为黑色胶体；（3）CX--404胶：用于基层及卷材粘结，为黄色混浊胶体；（4）聚氨脂涂膜材料：用于复杂部位增补密封处理，分甲、乙组份；（5）丁基粘结剂：用于卷材接缝，分A、B两组份，A为黄浊胶体，B为黑色胶体；（6）聚氨脂嵌缝膏：用于密封卷材收头部位，分甲、乙组份；（7）二甲苯或乙酸乙酯：用于稀释或清洗工具。技术负责人施工员班组长ensurethequalityanddurationofconstruction.3.1.2.theGeneralprogrammingprinciplesbasedonthetotaldurationoftheconstructionrequirements,myunitintheprojectconstructionorganizationdesignandimplementation,integratedconstructionofscientificorganizations,networktechnology,aparalleljob,highqualityandhighspeedtocompletetheconstructionoftheentireproject.Ensurequalityconstructionprogramreasonable,optimalshortest,leastcostandconstructionschedule.3.1.3.Generalconstructionprojectconstructionteamapproach,firstincivilization,stadiumconstructionandrelocationofundergroundpipelinedetection,work,strictlyaccordingtotherequirementsofstrengtheningofluanheriverwaterprotectionmeasures.Curtainpiles,boredpiles,thenprotectionoftheexcavationanddewateringconstruction.Workingpit2-PC300excavatorexcavation,slopemeshandshotcrete.Protection,resistancetomovepileandsupportingpileandGroutinginsubgradepitdewateringandcuringintheworkcarriedoutduringtheexcavation,protectionpileandsupportingpileandmovethepileusingreverse-circulationdrillingmachinedrilling,concretepouring;programmeofgroutcureholisticcureofroadbed.Skateboards,backbeam,theframeoftheprojectusingconcrete,concretetransporttrucktransport,concretepumptruckpouring,construction9 技术交底年月日工程名称五矿矿业（合肥）基地—五矿矿业大厦分项工程名称地下室外墙防水分部（子分部）工程基础3、主要机具搅拌机具，用于拌合水与水泥基防水涂料；有弹性的棕毛刷、大小刷子，用于涂刷水泥基防水涂料；喷涂机具，喷涂施工时采用；台秤等。4、作业条件（1）地下防水层施工，在地下水位较高的条件下，铺贴防水层前应做好降低地下水位和排水处理，地下水位降至防水层底标高30cm以下，并保持到防水层施工完；（2）铺贴防水层的基层表面应将尘土杂物清扫干净；表面残留的灰浆硬块及突出部分应清除干净，不得有空鼓，开裂及起砂、脱皮等；（3）基层表面应保持干燥，含水率不大于9％，并要平整牢固，阴阳角处应做成圆弧角；（4）防水层所用卷材、基层处理剂、二甲苯等均属易燃品，应单独存放，远离火源，操作时应通风，并有足够的照明。技术负责人施工员班组长ensurethequalityanddurationofconstruction.3.1.2.theGeneralprogrammingprinciplesbasedonthetotaldurationoftheconstructionrequirements,myunitintheprojectconstructionorganizationdesignandimplementation,integratedconstructionofscientificorganizations,networktechnology,aparalleljob,highqualityandhighspeedtocompletetheconstructionoftheentireproject.Ensurequalityconstructionprogramreasonable,optimalshortest,leastcostandconstructionschedule.3.1.3.Generalconstructionprojectconstructionteamapproach,firstincivilization,stadiumconstructionandrelocationofundergroundpipelinedetection,work,strictlyaccordingtotherequirementsofstrengtheningofluanheriverwaterprotectionmeasures.Curtainpiles,boredpiles,thenprotectionoftheexcavationanddewateringconstruction.Workingpit2-PC300excavatorexcavation,slopemeshandshotcrete.Protection,resistancetomovepileandsupportingpileandGroutinginsubgradepitdewateringandcuringintheworkcarriedoutduringtheexcavation,protectionpileandsupportingpileandmovethepileusingreverse-circulationdrillingmachinedrilling,concretepouring;programmeofgroutcureholisticcureofroadbed.Skateboards,backbeam,theframeoftheprojectusingconcrete,concretetransporttrucktransport,concretepumptruckpouring,construction9 技术交底年月日工程名称五矿矿业（合肥）基地—五矿矿业大厦分项工程名称地下室外墙防水分部（子分部）工程基础二、施工工艺1、工艺流程配制——涂刷底胶——复杂部位增补处理——铺贴卷材——卷材收头粘结——细部处理——蓄水试验——做保护层；2、操作工艺（1）配制底胶：将聚氨酯防水涂模材料按甲：乙：二甲苯为1：1．5：3比例配合搅拌均匀，配制好后即可进行涂刷；（2）涂刷底胶：涂刷底胶前应将尘土杂物清扫干净。将配好的底胶用长把滚刷涂刷在大面积基层上，厚薄一致得有漏刷和白底现象，阴阳角、管根部位可用毛刷涂刷，干燥至不粘手时可进行下道工序；（3）复杂部位增补处理(相当于附加层)：1）增补剂配制：将聚氨酯防水材料按甲：乙组份以l：1．5比例(重量比)配合搅拌均匀，即可进行涂刷，配制量按需要确定，不宜过多，防止其固化；2）配置好后用毛刷在管根、地漏、伸缩缝等处均匀涂刷，作好附加层，厚度宜为2mm，待其固化后即可进行下道工序。（4）铺贴卷材防水层：技术负责人施工员班组长ensurethequalityanddurationofconstruction.3.1.2.theGeneralprogrammingprinciplesbasedonthetotaldurationoftheconstructionrequirements,myunitintheprojectconstructionorganizationdesignandimplementation,integratedconstructionofscientificorganizations,networktechnology,aparalleljob,highqualityandhighspeedtocompletetheconstructionoftheentireproject.Ensurequalityconstructionprogramreasonable,optimalshortest,leastcostandconstructionschedule.3.1.3.Generalconstructionprojectconstructionteamapproach,firstincivilization,stadiumconstructionandrelocationofundergroundpipelinedetection,work,strictlyaccordingtotherequirementsofstrengtheningofluanheriverwaterprotectionmeasures.Curtainpiles,boredpiles,thenprotectionoftheexcavationanddewateringconstruction.Workingpit2-PC300excavatorexcavation,slopemeshandshotcrete.Protection,resistancetomovepileandsupportingpileandGroutinginsubgradepitdewateringandcuringintheworkcarriedoutduringtheexcavation,protectionpileandsupportingpileandmovethepileusingreverse-circulationdrillingmachinedrilling,concretepouring;programmeofgroutcureholisticcureofroadbed.Skateboards,backbeam,theframeoftheprojectusingconcrete,concretetransporttrucktransport,concretepumptruckpouring,construction9 技术交底年月日工程名称五矿矿业（合肥）基地—五矿矿业大厦分项工程名称地下室外墙防水分部（子分部）工程基础1）铺贴前应排好尺寸，弹出标准线；2）铺贴卷材时先将卷材摊在干净、平整的基层上用滚刷将CX--404胶均匀涂刷在卷材表面，接头处lOcm不涂，待404胶干燥至手感不粘时再将其卷好待用；3）当基层底胶干燥后，在其表面涂刷CX--404胶，涂刷均匀，待其干燥至手感不粘时即可开始铺贴卷材4）铺贴时将已涂好CX--404胶的卷材穿人中30mm长1．5m的铁管上，由二人抬起将卷材从一端粘结固定，然后沿弹好的标准线向另一端铺贴，操作时不要拉得过紧，不要出现皱摺；5）铺贴平面与立面相连的卷材应由下向上进行，使卷材紧贴阴阳角，不得有空鼓和粘接不牢的现象。注意卷材不要走偏；6）铺贴完后用30kg、30cm长外包橡皮铁辊滚压一遍排除气泡。（5）接头处理：卷材接头用丁基粘结剂粘结，先将A、B两组份材料按1：l配合搅拌均匀，翻开接头表面涂刷均匀，待其干燥约30分钟后即可进行粘结。粘结好后接头处不许有皱摺、气泡等缺陷，然后用铁辊滚压一遍；技术负责人施工员班组长ensurethequalityanddurationofconstruction.3.1.2.theGeneralprogrammingprinciplesbasedonthetotaldurationoftheconstructionrequirements,myunitintheprojectconstructionorganizationdesignandimplementation,integratedconstructionofscientificorganizations,networktechnology,aparalleljob,highqualityandhighspeedtocompletetheconstructionoftheentireproject.Ensurequalityconstructionprogramreasonable,optimalshortest,leastcostandconstructionschedule.3.1.3.Generalconstructionprojectconstructionteamapproach,firstincivilization,stadiumconstructionandrelocationofundergroundpipelinedetection,work,strictlyaccordingtotherequirementsofstrengtheningofluanheriverwaterprotectionmeasures.Curtainpiles,boredpiles,thenprotectionoftheexcavationanddewateringconstruction.Workingpit2-PC300excavatorexcavation,slopemeshandshotcrete.Protection,resistancetomovepileandsupportingpileandGroutinginsubgradepitdewateringandcuringintheworkcarriedoutduringtheexcavation,protectionpileandsupportingpileandmovethepileusingreverse-circulationdrillingmachinedrilling,concretepouring;programmeofgroutcureholisticcureofroadbed.Skateboards,backbeam,theframeoftheprojectusingconcrete,concretetransporttrucktransport,concretepumptruckpouring,construction9 技术交底年月日工程名称五矿矿业（合肥）基地—五矿矿业大厦分项工程名称地下室外墙防水分部（子分部）工程基础（6）卷材末端收头：为使卷材收头粘接牢固，防止翘边渗漏，用聚氨酯嵌缝膏将收头处口边封闭严密后，再刷一层聚氨酯防水涂料。防水层铺贴不得在雨天大风天施工，冬季施工的环境应不低于5℃；（7）防水层细部构造处理：1）采用外防外贴法时，应先铺贴平面，后铺贴立面，平立面交接处，应错缝搭接。之后砌保护墙，及时回填土。防水结构完成后，铺贴立面卷材之前，应先将接搓部位的各层卷材揭开，并将其清理干净；修补一下局部损坏才可继续施工。此时卷材用错槎搭接，上层卷材盖过下层卷材不小于15cm；2）采用外防内贴法施工时，应先铺贴平面，后铺贴立面，铺立面时，先贴转角，后贴大面，贴完后应做好保护层，并确保保护层与立面卷材粘接牢固；三、质量标准1、主控项目（1）卷材防水层所用卷材及其配套材料，必须符合设计要求；（2）卷材防水层及其转角处、变形缝、穿墙管道等细部做法均须技术负责人施工员班组长ensurethequalityanddurationofconstruction.3.1.2.theGeneralprogrammingprinciplesbasedonthetotaldurationoftheconstructionrequirements,myunitintheprojectconstructionorganizationdesignandimplementation,integratedconstructionofscientificorganizations,networktechnology,aparalleljob,highqualityandhighspeedtocompletetheconstructionoftheentireproject.Ensurequalityconstructionprogramreasonable,optimalshortest,leastcostandconstructionschedule.3.1.3.Generalconstructionprojectconstructionteamapproach,firstincivilization,stadiumconstructionandrelocationofundergroundpipelinedetection,work,strictlyaccordingtotherequirementsofstrengtheningofluanheriverwaterprotectionmeasures.Curtainpiles,boredpiles,thenprotectionoftheexcavationanddewateringconstruction.Workingpit2-PC300excavatorexcavation,slopemeshandshotcrete.Protection,resistancetomovepileandsupportingpileandGroutinginsubgradepitdewateringandcuringintheworkcarriedoutduringtheexcavation,protectionpileandsupportingpileandmovethepileusingreverse-circulationdrillingmachinedrilling,concretepouring;programmeofgroutcureholisticcureofroadbed.Skateboards,backbeam,theframeoftheprojectusingconcrete,concretetransporttrucktransport,concretepumptruckpouring,construction9 技术交底年月日工程名称五矿矿业（合肥）基地—五矿矿业大厦分项工程名称地下室外墙防水分部（子分部）工程基础符合设计要求；2、一般项目（1)卷材防水层的基层应牢固，基面应洁净、平整，不得有空鼓、松动、起砂和脱皮现象；基层阴阳角处应做成圆弧形。（2)卷材防水层的搭接缝应粘(焊)结牢固，密封严密，不得有皱折、翘边和鼓泡等缺陷。（3)侧墙卷材防水层的保护层与防水层应粘结牢固，结合紧密、厚度均匀一致。（4)卷材搭接宽度的允许偏差为：-1Omm卷材防水层工程质量检验标准项目序号项目允许偏差或允许值检查方法主控项目1卷材及配套材料质量第4.3.10条检查出厂合格证、质量检验报告和现场抽样试验报告2细部做法第4.3.11条观察检查—般项目1基层质量第4.1.12条观察检查2卷材搭接缝第4.1.13条观察检查3保护层第4.1.14条观察检查4卷材搭接宽度允许偏差mm-10观察和尺量检查技术负责人施工员班组长ensurethequalityanddurationofconstruction.3.1.2.theGeneralprogrammingprinciplesbasedonthetotaldurationoftheconstructionrequirements,myunitintheprojectconstructionorganizationdesignandimplementation,integratedconstructionofscientificorganizations,networktechnology,aparalleljob,highqualityandhighspeedtocompletetheconstructionoftheentireproject.Ensurequalityconstructionprogramreasonable,optimalshortest,leastcostandconstructionschedule.3.1.3.Generalconstructionprojectconstructionteamapproach,firstincivilization,stadiumconstructionandrelocationofundergroundpipelinedetection,work,strictlyaccordingtotherequirementsofstrengtheningofluanheriverwaterprotectionmeasures.Curtainpiles,boredpiles,thenprotectionoftheexcavationanddewateringconstruction.Workingpit2-PC300excavatorexcavation,slopemeshandshotcrete.Protection,resistancetomovepileandsupportingpileandGroutinginsubgradepitdewateringandcuringintheworkcarriedoutduringtheexcavation,protectionpileandsupportingpileandmovethepileusingreverse-circulationdrillingmachinedrilling,concretepouring;programmeofgroutcureholisticcureofroadbed.Skateboards,backbeam,theframeoftheprojectusingconcrete,concretetransporttrucktransport,concretepumptruckpouring,construction9 技术交底年月日工程名称五矿矿业（合肥）基地—五矿矿业大厦分项工程名称地下室外墙防水分部（子分部）工程基础四、成品保护1、已铺贴好的防水卷材，应注意保护，不得损坏；2、穿过地面和墙面的管根不得损伤和变位；3、防水层施工完成并验收合格后要及时进行保护层施工并随之进行回填；五、应注意的问题1、空鼓：卷材防水层空鼓，发生在找平层与卷材之间，且多在卷材接缝处，其原因是找平层不干，含水率大；空气排除不彻底，卷材没有粘结牢固；2、渗漏：多发生在管根、地漏、变形缝等处，伸缩缝没有断开，产生防水层撕裂，其他部位由于粘结不牢，卷材松动或衬垫不严有空隙等均有可能产生渗漏，施工中应加强检查，认真操作；六、成品保护措施1、明确保护负责人，明确责任范围，派专人巡视施工现场；2、在防水层施工中或防水层已完成而保护层未完成时，是成品保护的关键时期，此期间，禁止任何无关人员进入现场，以免破坏防水层。防水施工人员、物料进入施工区域，必须注意与工作面的距离，技术负责人施工员班组长ensurethequalityanddurationofconstruction.3.1.2.theGeneralprogrammingprinciplesbasedonthetotaldurationoftheconstructionrequirements,myunitintheprojectconstructionorganizationdesignandimplementation,integratedconstructionofscientificorganizations,networktechnology,aparalleljob,highqualityandhighspeedtocompletetheconstructionoftheentireproject.Ensurequalityconstructionprogramreasonable,optimalshortest,leastcostandconstructionschedule.3.1.3.Generalconstructionprojectconstructionteamapproach,firstincivilization,stadiumconstructionandrelocationofundergroundpipelinedetection,work,strictlyaccordingtotherequirementsofstrengtheningofluanheriverwaterprotectionmeasures.Curtainpiles,boredpiles,thenprotectionoftheexcavationanddewateringconstruction.Workingpit2-PC300excavatorexcavation,slopemeshandshotcrete.Protection,resistancetomovepileandsupportingpileandGroutinginsubgradepitdewateringandcuringintheworkcarriedoutduringtheexcavation,protectionpileandsupportingpileandmovethepileusingreverse-circulationdrillingmachinedrilling,concretepouring;programmeofgroutcureholisticcureofroadbed.Skateboards,backbeam,theframeoftheprojectusingconcrete,concretetransporttrucktransport,concretepumptruckpouring,construction9 技术交底年月日工程名称五矿矿业（合肥）基地—五矿矿业大厦分项工程名称地下室外墙防水分部（子分部）工程基础严禁尖锐物体撞击防水层造成破坏，从而影响防水效果；3、防水层施工完成后，不能在防水层上开洞或钻孔安装机器设备。如必须开洞钻孔的，则做好记录以便修补。在施工过程中，如发现防水层遭到破损，应尽快维修。技术负责人施工员班组长ensurethequalityanddurationofconstruction.3.1.2.theGeneralprogrammingprinciplesbasedonthetotaldurationoftheconstructionrequirements,myunitintheprojectconstructionorganizationdesignandimplementation,integratedconstructionofscientificorganizations,networktechnology,aparalleljob,highqualityandhighspeedtocompletetheconstructionoftheentireproject.Ensurequalityconstructionprogramreasonable,optimalshortest,leastcostandconstructionschedule.3.1.3.Generalconstructionprojectconstructionteamapproach,firstincivilization,stadiumconstructionandrelocationofundergroundpipelinedetection,work,strictlyaccordingtotherequirementsofstrengtheningofluanheriverwaterprotectionmeasures.Curtainpiles,boredpiles,thenprotectionoftheexcavationanddewateringconstruction.Workingpit2-PC300excavatorexcavation,slopemeshandshotcrete.Protection,resistancetomovepileandsupportingpileandGroutinginsubgradepitdewateringandcuringintheworkcarriedoutduringtheexcavation,protectionpileandsupportingpileandmovethepileusingreverse-circulationdrillingmachinedrilling,concretepouring;programmeofgroutcureholisticcureofroadbed.Skateboards,backbeam,theframeoftheprojectusingconcrete,concretetransporttrucktransport,concretepumptruckpouring,construction9 ensurethequalityanddurationofconstruction.3.1.2.theGeneralprogrammingprinciplesbasedonthetotaldurationoftheconstructionrequirements,myunitintheprojectconstructionorganizationdesignandimplementation,integratedconstructionofscientificorganizations,networktechnology,aparalleljob,highqualityandhighspeedtocompletetheconstructionoftheentireproject.Ensurequalityconstructionprogramreasonable,optimalshortest,leastcostandconstructionschedule.3.1.3.Generalconstructionprojectconstructionteamapproach,firstincivilization,stadiumconstructionandrelocationofundergroundpipelinedetection,work,strictlyaccordingtotherequirementsofstrengtheningofluanheriverwaterprotectionmeasures.Curtainpiles,boredpiles,thenprotectionoftheexcavationanddewateringconstruction.Workingpit2-PC300excavatorexcavation,slopemeshandshotcrete.Protection,resistancetomovepileandsupportingpileandGroutinginsubgradepitdewateringandcuringintheworkcarriedoutduringtheexcavation,protectionpileandsupportingpileandmovethepileusingreverse-circulationdrillingmachinedrilling,concretepouring;programmeofgroutcureholisticcureofroadbed.Skateboards,backbeam,theframeoftheprojectusingconcrete,concretetransporttrucktransport,concretepumptruckpouring,construction9'