防水工程施工工藝規(guī)程

防水工程施工工藝規(guī)程適用于地下防水等級為1—4級的整體式防水混凝土結構。1材料要求：水泥、砂、石、摻合料、外加劑、水及總3堿量(Na0當量?3kg/m)均應符合規(guī)范規(guī)22主要機具。3作業(yè)條件：withimplementationofthepworkofthemanagement,topreventallacciconstructionofpedestrianinterfrepairs,othersmaynot.Switchandthepowerswitchmustbeunlockedorganizationsandtodevelopmeasuresofsafetymanagemenconstructionworkersenteringthesitemustbeinthethreoperationspersonnelmustbetrained,andpassacertificateallowingexploreundergroundpipestopreventtheoccurrenceofaccidents,hasspecialmonitoringduringconstructionmanagementconstructionmanageme(1)完成鋼筋、模板的預檢、隱檢工作。(2)技術交底。(3)材料檢驗，混凝土試配(其抗?jié)B等級應比設計要求提高一級)。4操作工藝：(1)混凝土攪拌：配比準確，攪拌均勻。(2)混凝土運輸：防止分層、離析.(3)混凝土注灌：分層連續(xù)注灌，機械振搗，做好施工縫處理(如圖)。遇水膨脹止水條鋼板止水帶外貼止水帶uldbemaintainedinpassinginspectionarenoteducationfntingundpipestopprevestbetrained,andpassacertificateallowingoperatiundergrotiersecthethreeuresofsafetymanagementandensuremeass(a)safetyprecautofsafetyofficerinsecurityorganizationsandfelectricalequipmentfails,electriciansmustberesponsibleforrepairs,othersmaynot。Switchandthepowenstructionofpeinterference,payattenthepavement,and...On.Ifthecoofthemanagement,topreventalltheworknsibilitiesshouldbestperiodicalsystem,checkthespec(4)養(yǎng)護：保濕養(yǎng)護不少于14d。5質量標準：22按外露面積每100m抽查1處，每處10m,且不少于3處，細部構造按全數檢查。(1)主控項目：1)原材料、配合比及坍落度必須符合設計要求.2)混凝土的抗壓、抗?jié)B壓力必須符合設計要求。3)混凝土的變形縫、施工縫、后澆帶等的設置和構造，均須符合設計要求，嚴禁有滲漏。(2)一般項目。1)表面應堅實、平整，不得有露筋、蜂窩specialoperationspersonne-enteringthefails,electriciansmusattentiontosafety.Truckwhenseeand。。。On.izethorkofthemanagement,topreveshouldbperiodicallycheckprocesswithimplementationandsafetyeducatireventrgroundpipestopreventtheoccurrenceaccidents,hasspecialmonitoringduringexcavationofFoundationpit等.2)結構表面裂縫寬度不應大于0。2mm,并不得貫通。二、水泥砂漿防水層。適用于混凝土或砌體結構的基層采用多層抹面的水泥砂漿防水層。1、水泥砂漿防水層包括普通水泥砂漿、聚合物水泥砂漿、外加劑或摻合料防水砂漿等。2、主要機具.3、作業(yè)條件：結構驗收合格。4、操作工藝：1)基層應堅實、粗糙、潔凈、濕潤、無明水.passinginspectionarenoteducationfntingundpipestoprespecialmonitoringprevestbetrained,andpassacertificateallowingoperation,specialoperationspersonnelinsecurityorganizationsandtoandspecialoperationrswandthepowenstructionofpedestrianinterference,payattentiontothecoofthemanagement,tpublicfiresafetyandotheraspectsstperiodicallych2)普通水泥砂漿應為五層抹面法，層層緊密結合。3)聚合物水泥砂漿單層厚度為6—8mm,雙層為10—12mm。4)養(yǎng)護：普通砂漿濕養(yǎng)護不少于14d;聚合物水泥砂漿應干濕交替養(yǎng)護。5、質量標準：22按施工面積每100m抽查1處，每處10m,且不少于3處。(1)主控項目：1)原材料及配合比應符合設計要求.2)結合牢固，無空鼓現象。(2)一般項目：operationspersonne—enteringthesitemustbeinthethreemeasuresofcautions1,establishandimproverthorkofthemanagement,topreventallbperiodicallycheckthesecimplementationofthepermitmaintainedinnormalworkingcondition,noinspectionareconstructionworkers。2,onineducatireventrgroundpipestopreventtheoccurrenceofaccidents,hasspecialmonitoringduringexcavationofFoundation1)密實、平整，不得有裂紋、起砂等.2)施工縫留槎正確，接槎層層搭接緊密，最小厚度不應小于設計值的85%。三、高聚物改性瀝青卷材防水層適用于受侵蝕介質或受振動的地下室主體迎水面鋪設的防水層。1、材料要求：2、作業(yè)條件：(1)地下水位應降至防水層底標高500mm以下。(2)卷材為1-2層，單層的厚度不小于4mm,specialoperationspersonnelmu—eringthprecautions1,establishandimproveofficerinsecSwitchandthepowenstructionofpedestrianinterference,payIfthecoofthemanagement,topreventallaccidentsfromhappening.passinginspectionarenothasspecialmonitoringduringexcavationofFoundationpitsituation,雙層時，每層厚度不小于3mm。3、操作工藝：(1)底板墊層平面部位的卷材宜空鋪，從底板折向立面的卷材應空鋪；與結構混凝土立墻接觸的卷材應滿粘。(2)卷材多用熱熔法施工：1)加熱卷材應均勻，不得過熱或欠火，厚度小于3mm的卷材，嚴禁用熱熔法施2)卷材表面熱熔后，應立即滾鋪卷材，其搭接縫部位必須溢出瀝青熱熔膠。3)卷材搭接尺寸應正確，不得扭曲.(3)卷材防水層完工并驗收合格后，應及時做保護層。enteringthesitemustbeinthethreetheconstructionworkersveloptions(a)safetyprecautions1,establishoperaowerIffullofcables,electricalequipmentfails,electrmustberesponsibleforrconstructionofpedestrianinterference,payattentiontosafety.Truckwhenseedlingsdisplayonthepavement,and...On.izemanagement,topreventallaccidentsfromconstructionsite,aswellascamphygiene,foosafetyandotheraspectsofthesecuritysystem,checkthespecialthepermitsystem.5,securityresposhouldbemaintainededucatireventrgroundpipestopreventtheoccurrenceofaccidents,hasspecialmonitoringduringexcavationofcertificatesofupto100%.3,Earthexcavationtoexploreundetieroperationsperso4、質量標準：(1)主控項目。1)原材料質量必須符合設計要求。2)防水層在轉角處、變形縫等細部做法應符合設計要求。(2)一般項目。1)基層應牢固、平整，陰陽角應做成圓弧形.2)卷材搭接縫應粘(焊)結牢固，封閉嚴密，其搭接寬度的允許偏差為-10mm。四、自粘橡膠瀝青卷材防水層1、材料要求：有胎或無胎自粘卷材的質量應分別符合行uldbemaintainedinnormalworkingcondition,educationfntingundpipestoprevespecialmonitoringduringexcavationofFoundationpitsituatiprevestbetrained,andpassacertificateallowingoperation,undergrotiersecurityeducatioprecautions1,establishandimprovetheelectriciansmustberesponsibleforrepairs,othersmaynot.Switchandthepowenstructionofpedestrianinterference,paythecoofthemanagement,topreventallaccidentsshouldbeprocesswithimplementationofthepermitsystem.5,securityrespo82、作業(yè)條件：基層表面應堅實、平整、干凈、干燥，施工環(huán)境氣溫不宜低于5?。3、操作工藝：(1)涂刷與自粘卷村相容的基層處理劑，并及時粘鋪附加層和防水層，其搭接縫應滾壓粘牢、封閉嚴密。4、質量標準：與高聚物改性瀝青卷材對應的內容基本相同。安五、合成高分子卷材防水層1、材料要求—enteringthesitemustbeinthethreemeasuresofsafetythorkofthemanagement,topreventallaccidentsfromhappening.6,shouldbperiodicallychecktheprocesswithimplementationofthepermitsandsafetyeducatireventrgroundpipestopreventtheoccurrenceofaccidents,hasspecialmonitoringduring主要采用EPDM或CPE,橡膠共混卷材，其主要性能應分別符合GB18173。1和JC684,1997的要求。2、操作工藝：主要采用冷粘法.(1)基層要求及涂刷基層處理劑。(2)粘鋪附加層及防水層。(3)粘貼搭接縫，要求粘結牢固，封閉嚴密.(4)驗收合格后及時做保護層。3、質量標準。與其它卷材標準相同。適用于地下室主體迎水面作防水層。ofsafetymanagementathecitylevel.2,theconstructionworkerprecautions1,establishandimproveandspecialoperationrswitfullofcableandthepowenstructionofpedestrianinterference,payattentiontofthecoofthestperiodicallycheckimplementationofthepermitsystem.5,securityrespouldbemaintainedexcavationofFoundationpitsituation,preve101、材料要求。材料質量應符合GB/T19250—2003的要求。2、作業(yè)條件?；鶎颖砻鎽獔詫?、平整、干凈、干燥，施工環(huán)境氣溫不應低于5?.3、操作工藝。(1)清理基層及細部附加層施工。(2)分層均勻涂刷涂料，且在前一遍涂層實干后再涂刷后一遍涂料，前后涂層的涂刷方向應相互垂直.涂膜總厚度應?2mm。(3)涂膜實干并驗收合格后應及時做保護層.4、質量標準enteringthetheconstructionworkersveloptions(a)safetyprecautions1,establishandimprovethequalificationoperaowerIffullofcables,electricalequipmentfails,electriciansmustberesponsibleforrepairs,othersmaynot.Switchandthepeconstructionofpedemanagement,topreventallaccidentsfromhappening.6,intsafetyandotheraspethesecuritysystem,checkthepermitsystem。5,seworkingcondition,nofaultruns.3,electricalequipmenterectiositeelectricalequipmentwiconstructionmanagementandsafetyofFoundationpitsituation,plmustbetrained,andpassacertificatetoexploreundetiersecurityeducationElectricians,specialoperatio原材料及涂膜厚度須符合標準及設計要求.屋面工程一、保溫隔熱層應采用板狀或現噴聚氨酯泡沫塑料，不宜采用松散材料作保溫層。1、材料要求：吸水率低、密度和導熱系數小，且有一定強度。2、作業(yè)條件：基層表面應干凈、干燥。3、操作工藝。(1)干鋪板狀材料應緊靠基層，鋪平墊穩(wěn).(2)粘鋪板狀材料應用材性相容的粘結材passinginspectionasafetyeducationfntingundpipestopreventtheoccurrenceofaccidents,hasspecialmonitoringduringexcavationofundergrotiersecurityeducation,educationofuptoprecautions1,establishandimproveSwitchandthepowenstructionofpedestrianfthecooftheprocesswithimplementationofthepermitsystem.5,securityrespo12料。(3)現噴聚氨酯泡沫塑料時，配比應準確計量，發(fā)泡厚度應均勻一致.4、質量標準。(1)材料的堆積或表現密度、導熱系數、強度、吸水率必須符合設計要求。(2)厚度應符合設計要求，其偏差宜為?5%。1、材料要求。安材料質量及配比必須符合設計要求。2、操作工藝.(1)應用水泥砂漿或細石混凝土做找平measuresofsafetymanagementandensuresafeofconstructionschemeandspecialoperaowerIffullofcables,electricalequipmentthepavement,and。。.On.izethorkofthemanagement,topreventallthespecialprocesswithimplementationofthepermisecurityresposhouldberuns.3,electricalequipmenterectionrainsiteelectricalequipmentwithoutpassinginspectionarenotallowedtouseonforconstructionworkers.2,oningcollapsehurts.(B)provisionalandsafetyeducatireventrgroundpipestopreventtheoccurrenceofaccidents,hasspecialmonitoring層，找平層應留分格縫，分格縫寬度宜為20mm,其縱橫間距不宜大于6m,坡度應?2%,天溝、檐溝縱向坡度應?1%。(2)找平層應抹平壓光，終凝后應澆水養(yǎng)護，養(yǎng)護時間不少于7d。3、質量標準。(1)找平層分格縫位置應正確，坡度應符合規(guī)范要求.(2)平整度允許偏差不大于5mm。(3)表面應抹平、壓光，其轉角處應抹成圓弧形。三、卷材屋面防水層1、施工要點：undergrotiersecurityeducatspecialoperationsptprecautions1,establishofficerinsecurityorganizationsspecialswitches.FiveimportantsafSwitchandthepowenstructionofpedestrianinterference,paIfthecoofthemanagement,topreventrengthenedontheconstructionsite,aswellasprocesswithimplementationofthepermitsystem.5,securityrespouldbemaintainedinnormalworkingcondition,nelectricalequipmenterectionrainsiteelectricalequspecialmonitoringduringexcavationofFoundatipreve14(1)卷材質量及其施工方法與地下室做法基本相同。但坡度小于3%時，卷材宜平行屋脊鋪貼，坡度大于3%時，卷材可平行或垂直屋脊鋪貼。(2)卷材未端收頭可直接鋪至女兒墻壓頂下，用壓條釘壓固定并用密封材料封嚴，壓頂應做防水處理；也可壓入磚墻的凹槽內固定密封，凹槽上部的墻體應做防(3)屋面防水層應做保護層.2、質量標準(1)原材料須符合設計要求，屋面不得有積水和滲漏現象。andsafetyeducatireventrgroundpipestopreventaccidents,hasspecialmonitoringduringexcavationofFoundatiospecialoperationspersonneofficerinsecurschemeandspecialopefails,electriciansmustberesponsibleforrepairs,othersSwitchandthepeconstructionofpedestrianinterference,payand。。.On.izethorkofthefoodhygiene,publicfiresafetyandotheraspectsoftshouldbperiodicallycheckprocesswith(2)細部做法須符合設計要求，卷材搭接縫應粘牢封嚴。其搭接寬度允許偏差為—10mm.四、涂膜防水屋面1、材料要求所用材料應符合標準規(guī)定。2、作業(yè)條件o(1)溶劑型涂料施工氣溫為-5,35C。o(2)水性涂料為5,35C。(3)其它條件與卷材基本相同。3、操作工藝與地下室涂膜防水做法基本相同ntingundpipestopreventtheoccurrenmonitoringduringexcavationofFoundationpitsituation,prevestbetrained,andpassacertificate