湖北工业大学课程论文分析解析.docx
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湖北工业大学课程论文分析解析
Abstract
Buildingroofwaterproofprojectisanimportantcontentofhousingconstructionproject,theprosandconsofitsquality,notonlyrelatestotheservicelifeofbuildings,butalsodirectlyaffectthenormalproductionandlife.Waterproofconstructionistheguaranteeofengineeringstructuresisnotaffectedbywatererosionisanimportantengineering,civilengineeringwaterproofqualityandhascloserelationwiththedesign,material,construction,anddirectlyaffecttheservicelifeofthecivilengineering.
Keywords:
roof;Waterproof;Engineering;technology
Contents
AbstractⅠ
ContentsⅡ
ThemainⅢ
1CommonreasonsofroofleakageⅢ
2ThewaterprooflayerofwaterproofconstructiontechnologyresearchⅢ
2.1WaterproofcoiledmaterialroofingconstructionⅢ
2.2waterproofcoatingroofconstructionⅣ
2.3rigidwaterproofroofconstructioⅣ
3roofingprojectsmustfollowthetechnicalrequirementsⅤ
3.1 Technicalpreparationsforpre-constructionⅥ
3.2pairsofconstructionworkersandconstructionprogramrequirementsⅥ
4howtostrengthenthebuildingwaterproofconstructionⅦ
5ConclusionⅧ
Themain
Buildingroofwaterproofengineeringaccordingtoitsstructureisdividedintotwocategories:
structuresincethewaterproofandwaterprooflayerofwaterproof.Structuresincethedensityofwaterproofmainlydependonthestructureofthematerialitselfandsomestructuralmeasures（suchasaslope,embeddingwater-stop）,makeitshavewaterproofeffect;Waterproofmembraneisinthestructureandcomponentstomeetthewaterorthebacksurfaceoftheseamsandadditionalwaterproofmaterial,waterprooflayer,waterproofeffect,suchasthecoiledmaterialwaterproof,waterproofcoating,rigidwaterprooflayer,etc.
1Commonreasonsofroofleakage
1.1Roofingwaterproofdesignstillhastousethestandardatlasofinvalidorproductatlasofthephenomenon,thearchitectureandstructureneedclearpart,thefocusofthewaterproofdesigndepthisnotenough,thenodeisunknown.
1.2Lackofproductwhenadoptingnewmaterial,newprocessandtechnologycertification,notablyanti-aging,durability,andtechnicalqualityindexisnotvagueandimproperuseDirectlyinfluencetheeffectofroofwaterproofengineeringandlongevity.
1.3Roofengineeringcannotbewellcombinedwiththestructuraldeformation,temperaturedeformation,foundationsettlement,stressconcentrationpartssuchaswaterproofandspecialdesign,especiallyrigidwaterproofroof.
1.4Sloperoofandgutterdrainage,drainagelinesanddrainpipeflowdesignisunreasonable,roofingdrainagenotfree,causeroofseriouswater,sothattheleakage.
1.5Theflexiblewaterproofroofhaveaventoflargearea,whentheinsulationlayerwatercontentisgreaterthantheoptimummoisturecontent,thewaterprooflayeraftersteaminghotbulge,seriouswhenbigbubblephenomenon;Insulationmoisturecontentexceedsbidbadly,winterfreezingwaterprooflayercrackingphenomenonoccursfrequently.
2Thewaterprooflayerofwaterproofconstructiontechnologyresearch
2.1Waterproofcoiledmaterialroofingconstruction
Waterproofcoiledmaterialroofingreferstousingadhesivematerialpasteflexiblecoilinroofatthegrass-rootslevel,toformawholepieceofimpermeablelayer,whichhavetheeffectofwaterproof.
2.1.1Waterproofcoiledmaterialcommonlyusedmaterials
1）Treatmentatthelocallevel.Primarytreatmentistoenhancethewaterproofbondingforcesbetweenmaterialandbasesalary,beforetheconstructionofthewaterprooflayer,besmearbeforehandonthegrassrootsthinwaterproofcoating.Commonlyusedfirst-linetreatmentagenthascoldprimingoilandwithpolymermodifiedasphaltcoiledmaterialandsyntheticpolymercoilatthebottomoftheglue,adhesivebitumenprimerhashigherpermeabilityandhydrophobic.
2）Adhesive.usedtopastethecoiloftheadhesivescanbedividedintobasicandcoilstickyagent,coilandcoil,drillinglapofadhesivesandsealingtapethree;Accordingtoitscomponentmaterialsandcanbedividedintoasphaltrubberadhesionagentandsyntheticpolymerglueadhesionagent.
2.1.2Feltwaterproofingconstructiontechnology
Thegeneralconstructiontechnologicalprocessofcoiledmaterialwaterprooflayerforcleaning,repairandgrassroots（screed-coat）surface→Sprayingandcoatingtreatmentatthelocallevel→Nodeadditionallayerenhancementprocessing→Trypositioning,springline,shop,theshopisstuckcoil→Sealingheadprocessing,node→Clean,inspectandadjust→Protectivelayerconstruction.
2.1.3ConstructionNoteswaterproofmembrane
1）avarietyofwaterproofingmembraneisstrictlyprohibitedintherain,snowconstruction,notconstructionwhenfiveandabovewind,ambientairtemperatureisbelow5℃,notconstructiontime.Ifconstructionmidwayrain,snow,shouldbepreparedtohavepavedmembranesurroundingprotectionwork.
2）Whensummerconstruction,roofing,ifwetwithdew,youshouldletitdrybeforeStonesrollandavoidconstructionathighsun.
3）Measuresshouldbetakentoensuretheaccuracyofthetemperatureofasphaltbinderandvariousadhesivesweighingingredients.
4）waterproofmembranelayerlevelinglayershallcomplywiththequalityrequirementsbeforelayingmembrane,screedmustbecleananddry.
5）Stonesrollshouldexcludeairbetweenthemembraneandthegrass-rootsandrollsolidpaste.Stonesrollshouldbesmoothandstraight,lapsizeandaccurate,nottwisted,wrinkled.
6）fall-mouth,gutter,gutters,corniceandfacademembranessitereceivedtopnodemustbecarefullypaved,snapping,compaction,closedheadfirmly,andoverlayadditionalenhancementlayer,shouldmeetthedesignrequirementsandroofing
Relevantprovisionsoftheengineeringandtechnicalspecifications.
2.2waterproofcoatingroofconstruction
Waterproofroofcoatingispaintedonthegrassroofwaterproofingcoating,aftercuringtoformalayerofacertainthicknessandelasticityofthewholeconjunctiva,soastoachievethepurposeofwaterproofing.
2.2.1waterproofcoating
Tomeettheneedsofroofingprojects,andconjunctivalwaterproofcoatingwaterprooflayershouldmeettherequirements:
①havesomesolidcontent;②excellentwaterproofcapability;③durability;④goodresistancetohightemperatureperformance;⑤havemorehighstrengthandelongation;⑥goodworkability;⑦lessenvironmentalpollution.
2.2.2waterproofcoatinglayerconstructiontechnology
Theprocessofconstructionwaterproofcoatinglayertoclean,repairgrasssurface→sprayingprimarytreatmentagent（primer）→specialpartsadditionalenhancementcoatingwaterproofcoatingandpavingthecarcassreinforcementmaterialtocleanandcheckthetrimming→protectivelayerconstruction
2.2.3Theprotectivecoatinglayerconstruction.
Waterproofcoatinglayeraftercompletionofconstructionqualityinspectionshouldbecarriedoutconstructionoftheprotectivelayer.Commonlyusedintheprotectivelayercoatingmaterialssand,micaorvermiculiteprotectivelayer,alight-coloredreflectivecoatingprotectivelayer,aprotectivelayerofprefabricatedbulkmaterials,cementmortarprotectivelayeroffineaggregateconcreteprotectivelayer.Whenusingsand,micaorspreadingmaterialsuchasvermiculiteasprotectivelayer,shouldweedoutthepowder,thelasttimeinthepaintcoating,sidespreadingevenlycoatedsideshouldnotbeopenattheend,thenrollcement,afterspreadingthematerialtobedriedremoveexcess.Whendonewithlightreflectivecoatingprotectivelayershouldbecuredaftercoating.Whenusingprefabricatedbulkmaterials,cementmortar,madeoffinestoneconcreteprotectivelayerconstructionmethodandthesameprotectivelayerwaterproofmembrane.
2.3rigidwaterproofroofconstruction
Referstotheuseofrigidwaterproofroofingmaterialasawaterprooflayerrigidwaterproofroof,thereare
Commonfinestoneconcretewaterproofingroofing,shrinkage-compensatingconcretewaterproofingroofing,fiberconcretewaterproofing
Roofing,prestressedconcretewaterproofingroofing.
2.3.1Settingtheisolationlayer
Shouldbeseparatedfromtherigidwaterprooflayerbetweenthelayersandstructures,thatis,betweenthestructurallayerandarigidwaterprooflayershouldsettheisolationlayer,sothatthetwodeformationmutualunfettered,toavoidcrackingduetostructuraldeformationcausedbyrigidwaterprooflayer.Commonlyusedisolationlayer:
theexclusionofsoilmortarisolationlayer,insulatinglayeroflimemortar,dryshopmembraneorplasticfilmbarrierlayeronlayerofcementmortar.Isolationlayerduetolowerintensity,whilecontinuingconstructionontheisolationlayer,shouldpayattentiontostrengtheningtheprotectionoftheisolationlayer.Steelbandingshallnotbepuncturedwhenitssurfacelayershouldbewaterproofconcretetransportandothermeasurestakentopavetheboard,notcrispvibrationisolationlayervibratedconcrete.
2.3.2sub-latticeseamindwelling
Inordertoreducethetemperature,concreteshrinkage,creep,loadandvibration,subsidenceandothergrounddeformationcausedbycrackingrigidwaterprooflayerdesignrequirementsshouldbesetsub-latticeseam.Whenthedesignisnosuchrequirementshallberetainedbythefollowingprinciples:
sub-latticeseamroofshouldbelocatedonthesupportside,theturningpointoftheroof,theroofwaterprooflayerstructurewithprominentjunctionandshouldbealignedwiththeslab;dividingjointaspectspacednotmorethan6m,or"oneasub-grid",theareadoesnotexceed36m2.Widthoftheslitispreferablyseparatedby5~30mm.Beforepo
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