高层住宅结构设计毕业设计外文翻译Word文档下载推荐.docx
《高层住宅结构设计毕业设计外文翻译Word文档下载推荐.docx》由会员分享,可在线阅读,更多相关《高层住宅结构设计毕业设计外文翻译Word文档下载推荐.docx(12页珍藏版)》请在冰豆网上搜索。
![高层住宅结构设计毕业设计外文翻译Word文档下载推荐.docx](https://file1.bdocx.com/fileroot1/2022-10/11/9a4a8398-b80f-42ac-b5cc-8080ea4263fa/9a4a8398-b80f-42ac-b5cc-8080ea4263fa1.gif)
外文翻译
<
JournalofConstructionalConcreteResearch55(2000)289–303>
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