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1、高层住宅外墙渗漏原因分析及措施对策(CauseanalysisandCountermeasuresofexteriorwallleakageofhigh-riseresidentialbuildings)CauseanalysisandCountermeasuresofexteriorwallleakageofhigh-riseresidentialbuildingsHighriseresidentialwallleakageisoneofthecommonqualityproblemsthataffecttheuseof
2、housing,dnditisalsooneofthequalityproblemsthatresidentscomplainmost・Inthispaper,combinedwiththeactualconstructionofShanghaiCityXinRenYiYuanJiayuanandaerospaceengineering,ontheouterwallleakagereasonanalysis,putforwardmeasuresandleakagepreventionconstructionorganiza
3、tion.I.AnalysisofexteriorwallleakageTheexteriorwallleakageofresidentialbuildingswithshearwallsorframeshearwallsismainlymanifestedinthefollowingfouraspects:1.fillsthewallbrickandthereinforcedconcretecoagulationframe,thebeamcolumnbetweenthecrackseepageCausesofleakag
4、e:(1)material.Differenttemperaturecoefficientlinefillingwallofbrickmasonryandreinforcedconcreteexpansiveconcrete,reinforcedconcretetemperaturelinearexpansioncoefficientis2timesthatofbrickmasonry,atthesametemperature,thetwomaterialshavedifferentdeformationandcracks
5、atthejunctionofthetwomaterialsundertheactionofthewindandrain.Theindoorinfiltration.(2)construction.Missingbarsbetweenshearwallsorcolumnsandinfillwalls・Inaddition,whenthewallisfilledwithmasonry,themasonryisnoteasytobecloselypackedwiththeframebeamcolumn,especiallyin
6、theinsertedpartofthefillingwallandthebottomofthebeam・Thereisnoconnectionsteelbar,anditisdifficulttofillandembed.Itisthemultiplepartsofthecrackwaterseepage・1.f订1thewall,masonryalongthebrickgapgapseepagePorousbrickiswidelyusedinexteriorwallofShanghaiarea・Inthebuildi
7、ng,theverticaljointmortarisnotdense;horizontalmortarseamscraping,easilyintotheholebrickmasonrywall;notaccordingtotheconstructionrequirementswillbefullywetdrybrickbrickinadvance,quicklyabsorbsthemoistureinthemortar,themortardryshrinkagecracking・Themostimportantthin
8、gisthattheverticaljointsarenotdense.2.exteriorwallthroughtube,reservedforKongShenshuiWhentheleftwallconstructiontemplatewallhole,screwholesreservedsteel
