高层住宅结构设计毕业设计外文翻译.docx

高层住宅结构设计毕业设计外文翻译.docx

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高层住宅结构设计毕业设计外文翻译

外文翻译

FrameStructureAnti-earthquakeDesignWayofThinking

TheodoreV.Galambos

UniversityofMinnesota,Minneapolis,USA

Abstract

Currently,theanti-earthquakenormsallroundtheworldalmostadopttoakindofwayofthinking:

Theadoptionpressestheearthquakestrongorweakofpossiblesituationtodividethelineearthquakecentarea;Accordingtoeveryplacethehistoryoccurrenceoftheareaearthquakeofcovarianceresultortogeologystructureofthehistoryinvestigatetohavetoexplicitstatisticsthemeaningestablishthesportpeakinwaterproofandquasi-groundvalueacceleration;Makeuseofagainthereactionaccelerationthattheaccelerationreactioncomposesdifferentperiod;GetadesigntouseaccelerationlevelthroughearthquakedintadjustmetcoefficientR.Inthemeantime,mostnationsallapprovesuchpoint，establishingtodefendtheearthquakeintensitylevelcantaketouseadifferentvalue,choosingtousetoestablishtodefendtheearthquakeintensitylevelmoreandhighly,theductilityrequestofthestructurealsomorelow,choosetousetoestablishtodefendearthquakeintensitylevelmoreandlowly,structureofductilityrequestmorehigh.Thestructureductilityguaranteeofpreconditionistheductilityofthemember,passagainaneffectivelyreasonableconjunctioninadoptingaseriesofmeasureguaranteememberthefoundationoftheductility,thestructuresystemchoiceisreasonableinthemeantime,thedegreejustdistributesreasonableofunderconditionabilitybasicassurancestructureofductility.

Keywords:

framestructure;anti-earthquakedesign;designwayofthinking

1．SimpleReviewofAnti-earthquakeDesignWayofThinking

Thedevelopmentthatconstructsthestructureanti-earthquakeisalongwithpeoplealltheearthquakemovewiththestructurecharacteristicoftheunderstandingiscontinuouslythoroughbutdevelopgradually,however,fromisbornuptonowthehistoryofahundredyears,havemostlyseveraltodevelopastageasfollows:

（1）Quietdintstage:

ItfirstfromaJapaneseprofessorpassedtoharmtoprognosticatetheanti-earthquakedesigntheoriesthatputforwardwiththetheoriesunderstandingatthattimetothelimitedearthquake,beingapplicabletoonlyjustrigidbodystructure.Itdidn'tthinkcharacteristicandtheplacedifferencetoconsiderstructuretotheinfluencethatconstructsstructure.

（2）Respondthetablestage:

Alongwithvibratetorecordofobtainandthedevelopmentofthestructuredynamicstheories,theBiotaprofessoroftheUnitedStatesputforwardflexibilitytorespondtheconceptofthetablein1940,respondthetableislistthefreelyflexiblesystem,itwasobtainofnumerousearthquakesrecordofencourage,thestructureperiodorrespondoftherelation,includetheaccelerationreactiontable,thespeedrespondedatable,movedtorespondatable.Itconsiderthemotivecharacteristicofthestructure,itstillisthefoundationthatallcountriesnormdesignearthquakedinttakesavalueuptonow.Thecalculationoftheearthquakefunctiondintusuallyuseshearswiththebottomandflapsadecompositiontorespondatableamethod,flappingadecompositiontorespondatableamethodofbasicdefine:

Supposethebuildingstructureisthelineflexibilitymorefreedomdegreesystem,makinguseprincipleofflapadecompositionandflapatype,itwillsolveafreedomdegreetheearthquakeoftheflexiblesystemtorespondtoresolveforsolveanindependenceofetc.theeffectsinglefreedomdegreeflexiblesystemmosttheheavyearthquakerespond.Thenbeggingshouldineachfunctionaffectthatflapsatype.Atthistime,accordingtoconsiderthewaydissimilarityoftheearthquakefunction,adoptadifferentarray,groupmethod,orderflexiblesystemtomanyqualitiesoftheflatsurfacevibration,itcanuseaSRSSmethod,itisaccordingtosupposetheimportationearthquakeassteadyrandomprocess,eachofaflapreactionisindependentmutuallybutdeducetoget;Forconsidereven-twistsmanyqualitiesthatthelotusconnecttoorderflexiblesystem,theadoptionCQCmethod,itliesinwiththemaindifferentiationoftheSRSSmethod:

Supposewhenflatsurfacevibrateeachflapatypeindependentmutually,andeachcontributionthatflapatypeincreasedalongwiththefrequencyhighbutlower；Buteven-twistlotusconnecthoureachflapafrequencyspanverysmall,closetogetherandhigherflapthefrequencyofthetypeandmayneartothisrelativitythatwillconsideradissimilaritytoflapaverymuch,alsohaveinfluenceofturnroundtheweightandnotnecessarilyincreasealongwiththefrequencyhighbutlower,sometimeshigherflaptheinfluencepossibilityofthetypebiginlowerflaptheinfluenceofthetype,itwillconsidermoreinfluencesthatflapatypewhi