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1、卫生间防水部分目的：（1）熟悉卫生间防水基本要求；（2）掌握卫生间节点防水要求；（3）掌握卫生间地面涂膜防水方法；（4）熟悉卫生间防水层渗漏维修方法；第一节卫生间防水基本要求一、卫生间的防水等级和设防要求卫生间面积小，设施、管道多，用水集中，防水难度大。卫生间防水应根据建筑物类型、使用要求划分防水等级，并按不同等级确定设防层次和选用合适的防水材料。卫生间的防水等级和设防要求见下表。表：卫生间的防水等级和设防要求项目防水等级ⅠⅡⅢ建筑物类别要求高的大型公共建筑、高级宾馆、纪念性建筑一般公共建筑、餐厅、商住楼、公
2、寓等一般建筑地面设防要求二道防水设防一道防水设防和刚柔复合防水一道防水设施选用材料地面/mm合成高分子防水涂料厚1.5，聚合物水泥砂浆厚15，细石防水混凝土厚40选用材料单独用复合用高聚物改性沥青防水涂料厚2或防水砂浆厚20高聚物改性沥青防水涂料32合成高分子防水涂料1.51防水砂浆2010聚合物水泥砂浆73细石混凝土4040墙面/mm聚合物水泥砂浆厚10防水砂浆厚度20，聚合物水泥砂浆厚7防水砂浆厚20天棚/mm合成高分子涂料憎水剂憎水剂憎水剂thesamedirectionofrotation90°or1
3、80°for;aftereachdiscrotorwhenmeasuringpositionalignmentofthetwohalfcouplingconstant,shouldalsobeintermsofaccuracyandconsistency.Surfacedeviationmeasurement,mustinevery180degreescorrespondingtothetworadiiareequaltoeachotherinordertoeliminateerrorscausedbymov
4、ementoftherotor.Onlyasupportbearingoftherotor,WAcouplings,suchastheuseoftemporaryleavetheCenter,shouldpayattentiontokeeptherotorinthemeasuringprocessinthecenterofthebearingoilretainingthenestdoesnotchange.Steamoilblock,thereshouldbesufficientclearancebetwee
5、ntherotorand,inrotorsmakesurerotorisnotontheblockorsealoil.Atthetimeofmeasurement,connectionsarenotallowedbetweentworotors,eachinafreeState.Notallowedincaseofassembledsleeve,Centerworkonthetoothedcoupling.Couplingtoolshouldhaveadequatestiffness,installation
6、mustbesecureandreliable.CouplingCenterusingadialindicator,thetableshouldbeputinprisonandavoidtouching,toensurecorrectmeasurement.Couplingdiscafteraweektoreturntotheoriginalposition,circumferenceofdialgaugereadingshouldbeabletogobacktotheoriginalvalue.Whenme
7、asuringtheclearanceofend,intothefeelerofthegapshouldnotexceedfouratatime,whenthegapistoolarge,youcanusethegasketwiththefeelergaugemeasurementofgaugeblocksorfinishing.bearingsurface,markupshouldbeinaccordancewiththemountingsupportpads,andretestthethickness.O
8、ncetheliftingcylindermeasurementofsurfaceandinternalcylindersurfaceheightdifference,comparedwiththeoriginalvaluesconfirmthelocation.Internalverticalandhorizontalcylinderunderstatekeyinsertioninstallati
