ConcretestructurereinforcementdWord格式.docx

ConcretestructurereinforcementdWord格式.docx

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Structureinthelong-termnaturalenvironmentandundertheuseenvironment'

sfunction,itsfunctionisweakeninevitablygradually,ourstructuralengineering'

sdutynotjustmustfinishthebuildingearlierperiodtheprojectwork,butmustbeablethescienceappraisalstructuredamageobjectivelawandthedegree,andadoptstheeffectivemethodguaranteestructurethesecurityuse,thatthestructurereinforcementwillbecomeanimportantwork.Whatmayforeseewillbethe21stcentury,thehumanbuildingalsobytheconcretestructure,thesteelstructure,thebricking-upstructureandsoonprimarily,thepresentstageIwillthinkusinthestructurereinforcementthisaspectresearchshouldalsotakethisasthemainbreakthroughdirection.

Keyword：

Concretestructurereinforcementbricking-upstructurereinforcementsteelstructurereinforcement

1Concretestructurereinforcement

Concretestructure'

sreinforcementdividesintothedirectreinforcementandreinforcestwokindsindirectly,whenthedesignmayactaccordingtotheactualconditionandtheoperationrequirementschoicebeingsuitablemethodandthenecessarytechnology.

1.1Thedirectreinforcement'

sgeneralmethod

1）Enlargesthesectionreinforcementlaw

Addstheconcretescast-in-placelevelinthereinforcedconcretememberinbendingcompressionzone,mayincreasethesectioneffectiveheight,theexpansioncrosssectionalarea,thusenhancesthecomponentrightsectionanti-curved,theobliquesectionanti-cutsabilityandthesectionrigidity,playsthereinforcementreinforcementtherole.

Inthesuitablemusclescope,theconcreteschangecurvedthecomponentrightsectionsupportingcapacityincreasealongwiththeareaofreinforcementandtheintensityenhance.Intheoriginalcomponentrightsectionratioofreinforcementnottoohighsituation,increasesthemainreinforcementareatobepossibletoproposetheplateaucomponentrightsectionanti-curvedsupportingcapacityeffectively.Ispulledinthesectiontheareatoaddthecast-in-placeconcretejackettoincreasethecomponentsection,throughnewCanadapartialandoriginalcomponentjointwork,butenhancesthecomponentsupportingcapacityeffectively,improvementnormaloperationalperformance.

Enlargesthesectionreinforcementlawconstructioncraftsimply,compatible,andhasthematuredesignandtheconstructionexperience;

IssuitableinLiang,theboard,thecolumn,thewallandthegeneralstructureconcretesreinforcement;

Butsceneconstruction'

swetoperatingtimeislong,toproduceshascertaininfluencewiththelife,andafterreinforcingthebuildingclearancehascertainreduction.

2）Replacementconcretesreinforcementlaw

Thislaw'

smeritwithenlargesthemethodofsectionstobeclose,andafterreinforcing,doesnotaffectbuilding'

sclearance,butsimilarexistenceconstructionwetoperatingtimelongshortcoming;

Issuitablesomewhatloworhasconcretescarrier'

sandsoonseriousdefectLiang,columninthecompressionzoneconcretesintensityreinforcement.

3）Thecakingoutsourcingsectionreinforcementlaw

OutsidetheBaotouSteelFactoryreinforcementiswrapsinthesectionorthesteelplateisreinforcedcomponent'

soutside,outsidetheBaotouSteelFactoryreinforcesreinforcedconcreteLiangtousethewetoutsourcinglawgenerally,namelyusestheepoxyresinificationtobeinthemilkandsoonmethodswithtoreinforcethesectiontheconstructioncommissiontocakeawhole,afterthereinforcementcomponent,becauseispulledwiththecompressedsteelcrosssectionalarealargescaleenhancement,thereforerightsectionsupportingcapacityandsectionrigiditylargescaleenhancement.

ThislawalsosaidthatthewetoutsideBaotouSteelFactoryreinforcementlaw,thestressisreliable,theconstructionissimple,thesceneworkloadissmall,butisbigwiththesteelquantity,andusesinabovenotsuitably600Cinthenon-protection'

ssituationthehightemperatureplace;

Issuitabledoesnotallowintheuseobviouslytoincreasetheoriginalcomponentsectionsize,butrequeststosharpenitsbearingcapacitylargescaletheconcretestructurereinforcement.

4）Sticksthesteelreinforcementlaw

Outsidethereinforcedconcretememberinbendingsticksthesteelreinforcementis（rightsectionispulledinthecomponentsupportingcapacityinsufficientsectorarea,rightsectioncompressionzoneorobliquesection）thesuperficialgluesteelplate,likethismayenhanceisreinforcedcomponent'

ssupportingcapacity,andconstructsconveniently.

Thislawconstructionisfast,thescenenotwetworkoronlyhastheplasteringandsoonfewwetworks,toproducesissmallwiththelifeinfluence,andafterreinforcing,isnotremarkabletotheoriginalstructureoutwardappearanceandtheoriginalclearanceaffects,butthereinforcementeffectisdecidedtoagreatextentbythegummycraftandtheoperationallevel;

Issuitableinthewithstandingstaticfunction,andisinthenormalhumidityenvironmenttobendorthetensionmemberreinforcement.

5）Gluefibrereinforcementplasticreinforcementlaw

Outsidepastesthetextilefiberreinforcementispasteswiththecementingmaterialthefibrereinforcementcompoundmaterialsinisreinforcedthecomponenttopulltheregion,causesitwithtoreinforcethesectionjointwork,achievessharpensthecomponentbearingcapacitythegoal.Besideshasgluesthesteelplatesimilarmerit,butalsohasanticorrosivemuddy,bearsmoistly,doesnotincreasetheself-weightofstructurenearly,durably,themaintenancecostlowstatusmerit,butneedsspecialfireprotectionprocessing,issuitableineachkindofstressnatureconcretestructurecomponentandthegeneralconstruction.

sgoodandbadpointswithenlargethemethodofsectionstobeclose;

Issuitablereinforcementwhichisinsufficientintheconcretestructurecomponentobliquesectionsupportingcapacity,ormustexertthecrosswisebindingforcetothecompressionalmemberthesituation.

6）Reelinglaw

7）Fangboltanchorlaw

ThislawissuitableintheconcretesintensityrankistheC20~C60concretesload-bearingmembertransformation,thereinforcement;

Itisnotsuitableforalreadytheabovestructurewhichandthelightqualitystructuremakesdecentseriously.

1.2Theindirectreinforcement'

1）Pre-stressedreinforcementlaw

（1）Thepre-stressedhorizontaltensionbarreinforcesconcretesmemberinbending,becausethepre-stressedandincreasestheexteriorloadthecombinedaction,inthetensionbarhastheaxialtension,thisstrengtheccentrictransmitsonthecomponentthroughthepoleendanchor（,whentensionbarandLiangboardbottomsurfaceclosefitting,tensionbarcanlookfortunetogetherwithcomponent,thisfashionhaspartialpressurestotransmitdirectlyforcomponentbottomsurface）,hastheeccentriccompressionfunctioninthecomponent,thisfunctionhasovercomethebendingmomentwhichoutsidetheparttheloadproduces,reducedoutsidetheloadeffect,thussharpenedcomponent'

santi-curvedability.Atthesametime,becausethetensionbarpassestocomponent'

spressurefunction,thecomponentcrackdevelopmentcanalleviate,thecontrol,theobliquesectionanti-tocutthesupportingcapacityalsoalongwithitenhancement.

Asaresultofthehorizontalliftingstem'

sfunction,theoriginalcomponent'

ssectionstresscharacteristicbyreceivedbendsturnedtheeccentriccompression,therefore,afterthereinforcement,component'

ssupportingcapacitywasmainlydecidedinbendsundertheconditiontheoriginalcomponent'

ssupportingcapacity。

（2）Afterthereinforcedconcretecomponentusesunderthepre-stressedtosupportthetypetensionbarreinforcementdecides,formsonebytoreinforcethecomponentandundersupportsthecompoundultrastaticallydeterminatestructuresystemwhichthetypetensionbariscomposed,undertheoutsideloadandthepre-stressedcombinedaction,inthetensionbarhastheaxialforceandthrough（nextsupportsandpoleendanchorspot）withcomponent'

scombiningsitetransmitsforisreinforcedthecomponent,hascounter-balancedoutsidetheparttheload,changedtheoriginalcomponentsectionendogenicforcecharacteristic,thussharpenedcomponent'

sbearingcapacity.

Thislawcanreduceisreinforcedcomponent'

sstresslevel,notonlycausesthereinforcementeffecttobegood,moreovercanalsothegreatscopeenhancethestructureoverallsupportingcapacity,butafterreinforcing,hascertaininfluencetotheoriginalstructureoutwardappearance;

Issuitableaswellasisunderthehighstress,thehighstrainedconditionconcretescomponent'

sreinforcementinthegreatspanortheheavystructurereinforcement,butinthenon-protection'

ssituation,cannotuseinthetemperatureabove600Cintheenvironment,isalsonotsuitableusesintheconcreteshrinkagecontinuousvariationbigstructure.

2）Increasesthesupportingreinforcementlaw

Theadditionpivotreinforcementlawisthroughthereducedmemberinbendingeffectivespan,achievesthereducedfunction,inisreinforcedonthecomponenttocarrytheeffect,raisesthestructureloadbearinglevelthegoal.Thislawsimplereliable,buteasytoharmbuilding'

soriginalcondition