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1、屋面渗漏原因与防治（Causesandpreventionofroofleakage）CausesandpreventionofroofleakageBecauseofthediversityofroofingmodelingandconstructionpractices,thereasonsforroofseepagearevaried.Inthispaper,theroofleakageindifferentsituationsisdiscussed.First,reinforcedconcretecastonboard,insulationlayerofrigidwaterp
2、roofroofleakage(1):Roofingroofframestructureasthemainapproachto12cmthickcast-in-placereinforcedconcreteroofstructurelayer,6~10cmthickpearliteinsulatinglayer,2cmand4cmthicklevelinglayeroffinestoneconcreterigidwaterprooflayer,thesurroundingbrickparapet,therooffellasPVCorganizedwithinthedrainagetu
3、be.(two)leakagephenomenon:manyleaksontheroof,especiallythehangingboxofthehangingplateofthecastinplaceboard,morethanhalfofthewaterseepagetotheroom,thewaterseepagearoundthepipemouth.(three)causeanalysisandtreatmentmethodofseepage:Therearetworeasonsfortheleakageof1.cast-in-placeslabcast-in-placepl
4、atepreburiedwiringboxfloating,theraininfiltrationdirectlyfromthejunctionbox;castplateinternalthreadingpipefloatingtopplatecausedlocalcracksalongtherainoutsideofthetubewalltothejunctionbox.Controlmethod:fixedonthetemplatewithanailorwireplateinternalthreadingpipeandconnectionbox,etc,toensuretheca
5、st-in-placeboardembeddedwithinthematerialtomaintainatthelowerpartoftheslab,theplateinsidethebox,linepipehasenoughconcretelayerheight,andtheconnectionboxconfigurationabovereinforcednetsure,box,abovethepipeconcretecracking.Causesandpreventionofcrackingandseepageofrigidroof2.:Reason:reinforcedconc
6、retereinforcementshouldbemaintainedonthesurfaceofinternalreinforcedconcreteunder1cm,duetotheconstructionofstaffnegligence,thefinestoneconcreteinreinforcedconcretefallsonthelowerpartoftheupperrigidwaterprooflayerbecomeconcretelayer,resultingintherigidwaterprooflayercrackingleakagephenomenon.Prev
7、entionandtreatmentmethod:whenpouringconcrete,shouldhaveaspecialpersonresponsibleforthesteelmeshtoreachthedesignheight,andthencoverthetopofconcrete,andfinallywithflatvibratorvibration,lightmaintenance.3.causesandpreventionofrainpip
