外文翻译三Word文件下载.docx
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外文翻译三Word文件下载.docx
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Alongwiththespeedingoftownhouseconstructionstep,notafewareaswithsmallresidencessetuponeafteranother,manyinhabitantsmovecontinuouslyintothenewresidence,theirqualitytohousingrequestismoreandmorehigh,particularlypayattentiontoverymuchtosomecrackscircumstanceswhichsprinklebuildingplanktoappearnow,worrythesecracks'
aringendwillcauseinsecuritytrouble,butinsuccessiontobuildingqualitydirectthesectionhurltell.
Suchasoncethesomecitydevelopacompanytosetup6layersoffloorresidence16totally,constructingareaabout100,000squaremeters,thebrickmixsstructure,thebeginningrepairs,onesteps2boxoffwiththebrickwall,eachone'
sestablishingaturnofbeamtogetherbuildingplankistogetherwholetosprinkle,theplankthick100mms,concretemarknumberisC20,houselongaboutwith80-90ms,don'
testablishflexiblesew,firstflooristhe2.2mgaragelayer,theC20reinforcingbarcageofthefoundationadoptioninfusestonoteastake.It'
ssmallarea'
sturntocompleteworkinOctober,2003,finishingconstructionacceptance,didn'
tdiscoverobviouscrack,discoverthebuildingplankappearscrackwhentheinhabitantrepair,pastjointlytoqualitydirectthesectionhurltell,throughsteptoseeonthespot,16housesallexistthedepthdifferentcrack.Thecrackwidthisbetweenthe0.2mmsmms-0.4ses,thegreatmajorityofthecrackpositionisplacedinplankfourCapes,thedynastysunismoreobvious.Hence,theSuperintendentofficeofqualityconcerned,sinkingtodeclinequantityandinclinationdegreetocarryonareexaminationtothehousefirst,resultallinallowthescope,againlookintoconstructiondiagrampapertoalsomatchtorequestconcerningthenorm.Owingtoabove-mentionedcircumstance,passbyhardanalytical,theconfirmationcrackreasonhasthefollowingwhattime:
1,causenowmainreasonofsprinklingtheplankcrackistheconstringencyofconcrete,theconcreteisinthenaturethehardeningtheprocess,becausewaterevaporatescontinuously,butthephysicalvolumegradualconstringency,buttheplankisonallsidestobesubjectedtoastipulationof,can'
tflexfreely,sowhentheconstringencyofconcretecausetosprinkleknotholestipulationnowshouldthedintexceedcertainlimit,certanlywillcausetosprinkleplanktoopencracknow.AndthecrackparttakeplacemuchatshouldthedintmoreconcentratedCapeintheplace-plank,butismutuallyperpendicularwiththeOvercastanglelineofwall
2,constructtooearlyonthecast-in-placeboard,addandcarryonone'
sshoulderorbackthecrackcaused."
normofinspectionofqualityofstructuralconstructionofconcrete"
stipulates,beforetheconcreteintensityreaches1.2N/mm2,can'
ttrampleorinstalltemplateandsupportonit.Butdeveloper,forraceagainsttime,catchupwithprogress,orconcreteat,congealandcongealstageafterallforthefirsttimestillinwateratthegoodcast-in-placeboardjust,takeupthepostofpurposetotrample,carrythematerial,concentrateonpilingupfragmentofbrick,mortar,template,etc..Prematureaddingandiscarriedonone'
sshoulderorback,hascausedthecrackofcast-in-placeboardartificially.
3,thecrackwhichthetemperaturechangecauses.Aseverybodyknows,thecementcondensesandhardensfastatroomtemperature,thecharacteristicsuchasbeinggreatofheatofhydration,especiallyinsummer,aftertheconcreteisbuilt,thereleaseamountoftheheatofhydrationisgreat,theconcreteisunderthehightemperature,can'
tgetandwatermaintenanceintime,anddesiccateandshrink,makeconcretetakeplacedrytosplit,resultinfracturingfinally.Investigationfindinthemajorityboardcornercrackin,tanbythesuntowardsthefrontdirectlythesun.
4,thehouseiscrossedtoolongtosetuptheessentialexpansionjoint,isthereasonwhichcausesthecracktoo.Thedeveloperisinordertosavetheland,oftentakethelengthofthehouseintoaccount,makethehousewholetoolong,setupexpansionjointeither,becauseoflackessentialexpansionjoint,freedomflexibledegreeinhousereachorexceedshouldsetupintervalthatexpansionjointrequire,,willpresentthecracktoo.
5,theboardisdefeatedbythemuscleandsunkinthecrackproduced.Inthecourseofconstructing,becauseconstructorsoperatebarbarously,tramplethereinforcingbararbitrarily,causeandshoulderthemuscleandsink,theantiabrasionlayeristoobig,reducethesectionaleffectiveheightoftheboard,makethebearingcapacityoftheboardunabletoreachtherequirementofonesthatdesign,thuscausetheproductionofthecrackofboard.
Effectiveheight,makethebearingcapacityoftheboardunabletoreachtherequirementofonesthatdesign,thuscause
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