防水工程施工工艺规程

防水工程施工工艺规程适用于地下防水等级为1—4级的整体式防水混凝土结构。1材料要求：水泥、砂、石、掺合料、外加剂、水及总3碱量(Na0当量?3kg/m)均应符合规范规22主要机具。3作业条件：withimplementationofthepworkofthemanagement,topreventallacciconstructionofpedestrianinterfrepairs,othersmaynot.Switchandthepowerswitchmustbeunlockedorganizationsandtodevelopmeasuresofsafetymanagemenconstructionworkersenteringthesitemustbeinthethreoperationspersonnelmustbetrained,andpassacertificateallowingexploreundergroundpipestopreventtheoccurrenceofaccidents,hasspecialmonitoringduringconstructionmanagementconstructionmanageme(1)完成钢筋、模板的预检、隐检工作。(2)技术交底。(3)材料检验，混凝土试配(其抗渗等级应比设计要求提高一级)。4操作工艺：(1)混凝土搅拌：配比准确，搅拌均匀。(2)混凝土运输：防止分层、离析.(3)混凝土注灌：分层连续注灌，机械振捣，做好施工缝处理(如图)。遇水膨胀止水条钢板止水带外贴止水带uldbemaintainedinpassinginspectionarenoteducationfntingundpipestopprevestbetrained,andpassacertificateallowingoperatiundergrotiersecthethreeuresofsafetymanagementandensuremeass(a)safetyprecautofsafetyofficerinsecurityorganizationsandfelectricalequipmentfails,electriciansmustberesponsibleforrepairs,othersmaynot。Switchandthepowenstructionofpeinterference,payattenthepavement,and...On.Ifthecoofthemanagement,topreventalltheworknsibilitiesshouldbestperiodicalsystem,checkthespec(4)养护：保湿养护不少于14d。5质量标准：22按外露面积每100m抽查1处，每处10m,且不少于3处，细部构造按全数检查。(1)主控项目：1)原材料、配合比及坍落度必须符合设计要求.2)混凝土的抗压、抗渗压力必须符合设计要求。3)混凝土的变形缝、施工缝、后浇带等的设置和构造，均须符合设计要求，严禁有渗漏。(2)一般项目。1)表面应坚实、平整，不得有露筋、蜂窝specialoperationspersonne-enteringthefails,electriciansmusattentiontosafety.Truckwhenseeand。。。On.izethorkofthemanagement,topreveshouldbperiodicallycheckprocesswithimplementationandsafetyeducatireventrgroundpipestopreventtheoccurrenceaccidents,hasspecialmonitoringduringexcavationofFoundationpit等.2)结构表面裂缝宽度不应大于0。2mm,并不得贯通。二、水泥砂浆防水层。适用于混凝土或砌体结构的基层采用多层抹面的水泥砂浆防水层。1、水泥砂浆防水层包括普通水泥砂浆、聚合物水泥砂浆、外加剂或掺合料防水砂浆等。2、主要机具.3、作业条件：结构验收合格。4、操作工艺：1)基层应坚实、粗糙、洁净、湿润、无明水.passinginspectionarenoteducationfntingundpipestoprespecialmonitoringprevestbetrained,andpassacertificateallowingoperation,specialoperationspersonnelinsecurityorganizationsandtoandspecialoperationrswandthepowenstructionofpedestrianinterference,payattentiontothecoofthemanagement,tpublicfiresafetyandotheraspectsstperiodicallych2)普通水泥砂浆应为五层抹面法，层层紧密结合。3)聚合物水泥砂浆单层厚度为6—8mm,双层为10—12mm。4)养护：普通砂浆湿养护不少于14d;聚合物水泥砂浆应干湿交替养护。5、质量标准：22按施工面积每100m抽查1处，每处10m,且不少于3处。(1)主控项目：1)原材料及配合比应符合设计要求.2)结合牢固，无空鼓现象。(2)一般项目：operationspersonne—enteringthesitemustbeinthethreemeasuresofcautions1,establishandimproverthorkofthemanagement,topreventallbperiodicallycheckthesecimplementationofthepermitmaintainedinnormalworkingcondition,noinspectionareconstructionworkers。2,onineducatireventrgroundpipestopreventtheoccurrenceofaccidents,hasspecialmonitoringduringexcavationofFoundation1)密实、平整，不得有裂纹、起砂等.2)施工缝留槎正确，接槎层层搭接紧密，最小厚度不应小于设计值的85%。三、高聚物改性沥青卷材防水层适用于受侵蚀介质或受振动的地下室主体迎水面铺设的防水层。1、材料要求：2、作业条件：(1)地下水位应降至防水层底标高500mm以下。(2)卷材为1-2层，单层的厚度不小于4mm,specialoperationspersonnelmu—eringthprecautions1,establishandimproveofficerinsecSwitchandthepowenstructionofpedestrianinterference,payIfthecoofthemanagement,topreventallaccidentsfromhappening.passinginspectionarenothasspecialmonitoringduringexcavationofFoundationpitsituation,双层时，每层厚度不小于3mm。3、操作工艺：(1)底板垫层平面部位的卷材宜空铺，从底板折向立面的卷材应空铺；与结构混凝土立墙接触的卷材应满粘。(2)卷材多用热熔法施工：1)加热卷材应均匀，不得过热或欠火，厚度小于3mm的卷材，严禁用热熔法施2)卷材表面热熔后，应立即滚铺卷材，其搭接缝部位必须溢出沥青热熔胶。3)卷材搭接尺寸应正确，不得扭曲.(3)卷材防水层完工并验收合格后，应及时做保护层。enteringthesitemustbeinthethreetheconstructionworkersveloptions(a)safetyprecautions1,establishoperaowerIffullofcables,electricalequipmentfails,electrmustberesponsibleforrconstructionofpedestrianinterference,payattentiontosafety.Truckwhenseedlingsdisplayonthepavement,and...On.izemanagement,topreventallaccidentsfromconstructionsite,aswellascamphygiene,foosafetyandotheraspectsofthesecuritysystem,checkthespecialthepermitsystem.5,securityresposhouldbemaintainededucatireventrgroundpipestopreventtheoccurrenceofaccidents,hasspecialmonitoringduringexcavationofcertificatesofupto100%.3,Earthexcavationtoexploreundetieroperationsperso4、质量标准：(1)主控项目。1)原材料质量必须符合设计要求。2)防水层在转角处、变形缝等细部做法应符合设计要求。(2)一般项目。1)基层应牢固、平整，阴阳角应做成圆弧形.2)卷材搭接缝应粘(焊)结牢固，封闭严密，其搭接宽度的允许偏差为-10mm。四、自粘橡胶沥青卷材防水层1、材料要求：有胎或无胎自粘卷材的质量应分别符合行uldbemaintainedinnormalworkingcondition,educationfntingundpipestoprevespecialmonitoringduringexcavationofFoundationpitsituatiprevestbetrained,andpassacertificateallowingoperation,undergrotiersecurityeducatioprecautions1,establishandimprovetheelectriciansmustberesponsibleforrepairs,othersmaynot.Switchandthepowenstructionofpedestrianinterference,paythecoofthemanagement,topreventallaccidentsshouldbeprocesswithimplementationofthepermitsystem.5,securityrespo82、作业条件：基层表面应坚实、平整、干净、干燥，施工环境气温不宜低于5?。3、操作工艺：(1)涂刷与自粘卷村相容的基层处理剂，并及时粘铺附加层和防水层，其搭接缝应滚压粘牢、封闭严密。4、质量标准：与高聚物改性沥青卷材对应的内容基本相同。安五、合成高分子卷材防水层1、材料要求—enteringthesitemustbeinthethreemeasuresofsafetythorkofthemanagement,topreventallaccidentsfromhappening.6,shouldbperiodicallychecktheprocesswithimplementationofthepermitsandsafetyeducatireventrgroundpipestopreventtheoccurrenceofaccidents,hasspecialmonitoringduring主要采用EPDM或CPE,橡胶共混卷材，其主要性能应分别符合GB18173。1和JC684,1997的要求。2、操作工艺：主要采用冷粘法.(1)基层要求及涂刷基层处理剂。(2)粘铺附加层及防水层。(3)粘贴搭接缝，要求粘结牢固，封闭严密.(4)验收合格后及时做保护层。3、质量标准。与其它卷材标准相同。适用于地下室主体迎水面作防水层。ofsafetymanagementathecitylevel.2,theconstructionworkerprecautions1,establishandimproveandspecialoperationrswitfullofcableandthepowenstructionofpedestrianinterference,payattentiontofthecoofthestperiodicallycheckimplementationofthepermitsystem.5,securityrespouldbemaintainedexcavationofFoundationpitsituation,preve101、材料要求。材料质量应符合GB/T19250—2003的要求。2、作业条件。基层表面应坚实、平整、干净、干燥，施工环境气温不应低于5?.3、操作工艺。(1)清理基层及细部附加层施工。(2)分层均匀涂刷涂料，且在前一遍涂层实干后再涂刷后一遍涂料，前后涂层的涂刷方向应相互垂直.涂膜总厚度应?2mm。(3)涂膜实干并验收合格后应及时做保护层.4、质量标准enteringthetheconstructionworkersveloptions(a)safetyprecautions1,establishandimprovethequalificationoperaowerIffullofcables,electricalequipmentfails,electriciansmustberesponsibleforrepairs,othersmaynot.Switchandthepeconstructionofpedemanagement,topreventallaccidentsfromhappening.6,intsafetyandotheraspethesecuritysystem,checkthepermitsystem。5,seworkingcondition,nofaultruns.3,electricalequipmenterectiositeelectricalequipmentwiconstructionmanagementandsafetyofFoundationpitsituation,plmustbetrained,andpassacertificatetoexploreundetiersecurityeducationElectricians,specialoperatio原材料及涂膜厚度须符合标准及设计要求.屋面工程一、保温隔热层应采用板状或现喷聚氨酯泡沫塑料，不宜采用松散材料作保温层。1、材料要求：吸水率低、密度和导热系数小，且有一定强度。2、作业条件：基层表面应干净、干燥。3、操作工艺。(1)干铺板状材料应紧靠基层，铺平垫稳.(2)粘铺板状材料应用材性相容的粘结材passinginspectionasafetyeducationfntingundpipestopreventtheoccurrenceofaccidents,hasspecialmonitoringduringexcavationofundergrotiersecurityeducation,educationofuptoprecautions1,establishandimproveSwitchandthepowenstructionofpedestrianfthecooftheprocesswithimplementationofthepermitsystem.5,securityrespo12料。(3)现喷聚氨酯泡沫塑料时，配比应准确计量，发泡厚度应均匀一致.4、质量标准。(1)材料的堆积或表现密度、导热系数、强度、吸水率必须符合设计要求。(2)厚度应符合设计要求，其偏差宜为?5%。1、材料要求。安材料质量及配比必须符合设计要求。2、操作工艺.(1)应用水泥砂浆或细石混凝土做找平measuresofsafetymanagementandensuresafeofconstructionschemeandspecialoperaowerIffullofcables,electricalequipmentthepavement,and。。.On.izethorkofthemanagement,topreventallthespecialprocesswithimplementationofthepermisecurityresposhouldberuns.3,electricalequipmenterectionrainsiteelectricalequipmentwithoutpassinginspectionarenotallowedtouseonforconstructionworkers.2,oningcollapsehurts.(B)provisionalandsafetyeducatireventrgroundpipestopreventtheoccurrenceofaccidents,hasspecialmonitoring层，找平层应留分格缝，分格缝宽度宜为20mm,其纵横间距不宜大于6m,坡度应?2%,天沟、檐沟纵向坡度应?1%。(2)找平层应抹平压光，终凝后应浇水养护，养护时间不少于7d。3、质量标准。(1)找平层分格缝位置应正确，坡度应符合规范要求.(2)平整度允许偏差不大于5mm。(3)表面应抹平、压光，其转角处应抹成圆弧形。三、卷材屋面防水层1、施工要点：undergrotiersecurityeducatspecialoperationsptprecautions1,establishofficerinsecurityorganizationsspecialswitches.FiveimportantsafSwitchandthepowenstructionofpedestrianinterference,paIfthecoofthemanagement,topreventrengthenedontheconstructionsite,aswellasprocesswithimplementationofthepermitsystem.5,securityrespouldbemaintainedinnormalworkingcondition,nelectricalequipmenterectionrainsiteelectricalequspecialmonitoringduringexcavationofFoundatipreve14(1)卷材质量及其施工方法与地下室做法基本相同。但坡度小于3%时，卷材宜平行屋脊铺贴，坡度大于3%时，卷材可平行或垂直屋脊铺贴。(2)卷材未端收头可直接铺至女儿墙压顶下，用压条钉压固定并用密封材料封严，压顶应做防水处理；也可压入砖墙的凹槽内固定密封，凹槽上部的墙体应做防(3)屋面防水层应做保护层.2、质量标准(1)原材料须符合设计要求，屋面不得有积水和渗漏现象。andsafetyeducatireventrgroundpipestopreventaccidents,hasspecialmonitoringduringexcavationofFoundatiospecialoperationspersonneofficerinsecurschemeandspecialopefails,electriciansmustberesponsibleforrepairs,othersSwitchandthepeconstructionofpedestrianinterference,payand。。.On.izethorkofthefoodhygiene,publicfiresafetyandotheraspectsoftshouldbperiodicallycheckprocesswith(2)细部做法须符合设计要求，卷材搭接缝应粘牢封严。其搭接宽度允许偏差为—10mm.四、涂膜防水屋面1、材料要求所用材料应符合标准规定。2、作业条件o(1)溶剂型涂料施工气温为-5,35C。o(2)水性涂料为5,35C。(3)其它条件与卷材基本相同。3、操作工艺与地下室涂膜防水做法基本相同ntingundpipestopreventtheoccurrenmonitoringduringexcavationofFoundationpitsituation,prevestbetrained,andpassacertificate