完整版毕业设计外文资料翻译.docx

完整版毕业设计外文资料翻译.docx

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完整版毕业设计外文资料翻译

毕业设计外文资料翻译

题目对于密肋复合墙体这一新结构的

前瞻性分析

学院土木建筑学院

专业土木工程

班级土木1005班

学生

学号

指导教师

二〇一四年三月六日

ConstructionManagementModernization，（5）：

32（8）：

53-56，71.

ProspectiveAnalysisofaNewBuildingStructureAdopting multi-ribbedcompositewallstructure

QianfengYao,LeiXia,JieZhang

Abstract：

Atpresent,withaseriousenergycrisis，theenergyconsumptionofresidentialbuildingisrisingdramatically,anditisessentialforustodevelopenergy-savingbuilding.Multi-ribbedcompositewallstructure（MRCWS）isanewtypeofstructurewhichadaptstothepoliciesofwallreformandenergy-savingbuilding.Itenergy-conserving,environment-protecting,seism-resistingandcost-savingwhichfitinwiththesustainabledevelopmentofrealestateindustry.

Inthispaper,theconstitutionofMRCWSisintroduced,andthecharacteristicsarediscussedwhichindicatethatMRCESisanew&environmentalstructure.InordertoshowtheadvantagesofMRCWS,comparisonsaremadewithtraditionalstructures,constructiontechniquesandapplicablerangearepresented,andtheeconomicbenefitofMRCWSisanalyzedindetailfromtheviewofproductioncostandprojectschedule,withapracticalprojectgivenasanexampletoshowthelowcostofMRCWS.Atlast,thesupportsandawardsofMRCWSarelistedandthegeneral-developthatMRCWSwillandenergycrisis,whicharebecomingmoreandmoreserious,thecrucialproblemsrestrictingthenationaleconomyandsustainabledevelopmentinChina（Tian2005）.

China,agreatenergy-consumingcountry,eatsup300milliontonsofpetroleumand1.8billiontonsofrawcoaleachyear,amongwhichtheenergyconsumptionofresidentialbuildingoccupies25％一27％.Bynow,thereareabout43billionsquare-meterbuildingsinchina,but98％ofthemareof,andinthe1.6-2billionsquare-meterbuildingsnewlybuilteachyear,morethan95％ofthemareChina.Luckily,theChinesegovernment.

Adaptingtothenationalpoliciesofwallreformandenergy-savingbuilding,Multi-ribbedcompositewallstructure（MRCWS）wasdevelopedbyXi’anUniversityofArchitecture&TechnologyandBeijingJiaotongUniversity.Itshowsgreatadvantagesinenergy-conserving,environment-protecting,seism-resistingandsoonwhichfitinwiththesustainabledevelopment.MRCWSiscomposedofpre-castmulti-ribbedcompositewallboard（MRCW）,cast-in-placeconcealedouterframeandfloor.MRCW,anewkindofpre-castboardcomponent,iscomposedoflow-ratio-of-reinforcementRCframegridsfilledwithporouslightweightblockswhicharemadeofindustrialwaste,anditisthemainbearingcomponentinMRCWS.Concealedouterframe,composedofendframecolumn,connectingcolumnandconcealedbeam,isusedtoconfineandtobearloadstogetherwithMRCW（Yao2003）.TheconstitutionofMRCWSisshowninFig．1

Fig．1：

Multi-ribbedcompositewallstructure

1.Professor,SchoolofCivilEngineering&Architecture,BeijingJiaotongUniversity,Beijing,China;PH（86）1;FAX（86）;Email:

2.Ph.D.Candidate.SchoolofCivilEngineering&Architecture,BeijingJiaotongUniversity.Beijing,China;PH（86）;FAX（86）;Email:

3.Ph.D.Candidate.SchoolofCivilEngineering&Architecture.BeijingJiaotong.University.Beijing.China;PH（86）1m;FAX（86）:

Email:

2．CHRACTERISTICSOFMRCWS

Realestateindustryisabasicanddominantindustryinthenationaleconomy,anditssustainabledevelopmentthatofthewholesociety.Inordertodevelopsustainably,therealestateindustryneedsnotonlytosatisfythedemandsofus,butalsotoprotectthelandandenvironmentforourdescendants．

Asanew

Accordingtothegovernment’s1lthFive-YearPlan（）,energyconsumptionforeveryyuan（1,298U．S．dollars）ofgrossdomesticproductshouldbereducedby20percentbytheendofthatperiod.Meanwhile,thedischargeofsulfurdioxideandchemicaloxygendemandshoulddropby10percent.Toachievethisenergysavingandemissionreductiontargets,agoodeffortshouldbemadebyrealestateindustry.

Comparedwithtraditionalstructures.MRCWSwiththeuseofporouslight-weightblocks.Meanwhile,anewtechniqueconnectinglocal-withwhole-isapplied,soitwillbemucheasiertosatisfythenationaldemandofreducingenergyconsumptionby65％before2010andwilldomuchgoodtothedevelopmenttotheresidentialenergyconservation.

2.2EnvironmentProtection

Chinaofnearly1.3billion,whilethecultivatedlandareaisonly95million40％oftheaveragelevelintheworld.However,withanannualbrickoutputofmorethan600billionpieces,morethan1.0billioncubicmetersofclayisconsumed,whichmeansmorethanMucultivatedlandisdestoriedandabout70milliontonsofcoalisconsumed.Facingseriouslydeterioratedenvironment,itisrequiredinthe10thfive-yearwallreformplanthatsolidclaybrickshouldbeforbiddenin170citiesbytheendofJune30,2003,andinallthecitiesbytheendof2010.

Gettingridofclaybricksandrecyclingagreatdealofindustrialwaste,MRCWScansavelargeamountsoflandandkeeptheenvironmentalmorebalanced.Statisticsindicate

thatabout8,000square-meterlandwouldbeprotectedand2,000~3,000cubic-meterindustrialwastebereusedforbuildinganareaofl0.000square-meterdramaticallyreducetheseismicload.Whatismore,astheblockscrackandcloseoverandoveragain,alargeamountofseismicenergyisdissipated,justasadamperdoes.ResearchesandexperimentsshowthatMRCESexcellentsafetyanddurability,anditisessentialforthesustainabledevelopmentofrealestateindustry.

Inaword,thedevelopmentofMRCWSshowsalotof＆environmentalstructurewhichsatisfiesthedemandsofsustainabledevelopment;anditrevealstheChineseconceptionof“takingmanasthefoundation”asitcankeepthestructuremuchsafer.

3.PROSPECTIVEANALYSIS

Generallyspeaking,asahigh-tech-project,itshouldfunction,technologyetc.（Fu2003）However,thecostmustbereasonable,oritwouldbetooexpensivetobeacceptedbytheusers,andthatwouldmakeitno-market-competition.InordertoshowtheprospectofMRCWS,comparisonsaregoingtomadewithtraditionalstructuresbelow.

3.1ComparisonswithTraditionalStructures

Accordingtotheworldindex,noothersimilarresearchesandprojectswerefound,andMRCWSwasevaluatedasakindoforiginalandadvancedstructure.Experimentsandprojectsmakeitclearthat:

MRCESinTablel（Zhang2006）.

Table1:

CostofMRCWSwith200mm-thicknessWallboard

Table2:

CostofMRCWSwith175mm-thicknessWallboard

Table3:

CostofMCSwith240mm-thicknessWallboard

Table4:

CostofMCSwith200mm-thickness&365mmthicknessWallboard

Formasonry-concretestructure（MCS）,althoughitisisexcessivelycomplicated,andthetechnologylevelisextremelylow.Whatisworse,alotofpreciousresourcesmaybedestroyed（claymustbeusedinMCS）,andalargenumberoffielsmaybedamaged.

Hollow-blocks-andconcretestructure（HBCS）canbeappliedtotakeplaceofclay-bricksstructure,butmostoftheworkFSareso-aestheticanduncomfortable.Inordertosolvethisproblem,anewkindofframestructurewithspecially-shapedcolumnsinthewall（shortforSCFS）wasdeveloped.Neverthelessthebehaviorofthiscolumnisverycomplicatedanditreducesthecapabilityofthestructure,sotheapplicationofthisstructureisnarrowed,especiallyintheseismicarea.

Thoughshearwallwallstructure（SWS）cannotbefreelydesignedasFS,itissuitableforbuildingswithshortspan.AndthestiffnessofSWSismuchmorestrengthendthanFS,whichdecreasesthedisplacementgreatly,sothesomeproblemsthatSWScostsmuchmoreanditisnotgoodatandsoundisolation.

Short-piershearwallstructure（SPSWS）isatypeofimprovedshearwallstructurewhichismuchflexibleinlayout,anditisparticularlyapplicabletomid-contrastwithshearwallstructure,thedisplacementperformanceisimprovednotably;andincontrarytomasonry-concretestructure,thebearingcapacityofMRCWSis1.6~1.8timestwicelarger.

Differentlyfromthestructuresabove,MRCWSislightly-weighedanditFSandSWS.Furthermore,thestiffnessofMRCWScanbeadjustedinacertaindegreetoachieveanoptimumeffect。

Datainthetablealsoshowthatthethatof610mm-thicknesssolidbrickwall（SBW），anditisclosetothevalue490mm-thicknessChina.

Inconclusion,thisnewkindofwallboardreplacestraditionalclay-brickwalls；thisnewkindofstructureupgradesthesafety,applicability,durabilityandreliabilityofthebuilding;andthisnewkindofenergy-savingtechniquesimprovestheeasinessofthepromotethedevelopmentofthewholeindustry.However,MRCWSTechniques

Asapromisingstructure,theconstructiontechniquesshouldalsobeadvancedandconvenient,andthequalitycontrolmustbeensuredinthewholeprocess.InMRCWS,MRCWispre-castandtheconstructionofstructureadoptsassembledtechniques,whichmakesitmoreconvenienttouseaseriesofmechanism.SotheconstructionprocessofMRCWSincludestwoimportantsteps:

theproductionofMRCWandtheassemblyofMRCWS.

MRCWbeingprecastwhetherinthefactoryorinsite,itisconvenienttobemanufacturedinbatchesandlargequantities.IntheproductionprocessofMRCW,apatentawarded,andageneralqualitycontrolsystemestablished,includingthefactorsofMan,Material,Machine,MethodEnvironrnent.Furthermore,technicalspecificationauthorizedandenterprisestandardcompiled.Alloftheseacceleratetheproductionandcontrolthequalityeffectively.

Whenassembling,withtheapplicationoftowercrane,itisportabletoliftMRCWinplace.In