土木工程毕业设计外文翻译最终中英文

土木工程毕业设计外文翻译最终中英文英文原文

Title:AnalysisoftheSeismicPerformanceofRCFrameStructureswithInfillWalls

1.IntroductionInreinforcedconcrete(RC)framestructures,infillwallsarewidelyusedtopartitiontheinteriorspace.Theynotonlyenhancethespatialintegritybutalsocontributetotheoverallstiffnessandstrengthofthestructuretoacertainextent.However,thepresenceofinfillwallscansignificantlyaffecttheseismicperformanceofRCframestructures.Duringearthquakes,theinteractionbetweentheframeandtheinfillwallscanleadtoplexforcedistributionsandfailuremodes.Therefore,itiscrucialtoaccuratelyanalyzetheseismicperformanceofRCframestructureswithinfillwallstoensurethesafetyofthestructure.

2.InteractionMechanismbetweenFrameandInfillWallsTheinteractionbetweentheRCframeandtheinfillwallsisaplexmechanicalprocess.Whenanearthquakeoccurs,theframestructureundergoeslateraldisplacements.Theinfillwalls,duetotheirconnectionwiththeframe,arealsoforcedtodeform.Theinfillwallscanprovideadditionalstiffnessandstrengthtotheframestructure,butatthesametime,theycanalsointroduceadditionalforcestotheframe.

Themaininteractionmechanismsinclude:Sheartransfer:Theinfillwallstransfershearforcestotheframethroughtheconnectionbetweenthem.Thesheartransfercapacitydependsonthetypeofconnection(suchasrigidconnection,semirigidconnection,orflexibleconnection)andthematerialpropertiesofthewallandtheframe.Flexuralinteraction:Insomecases,theinfillwallsmayalsoparticipateintheflexuralbehavioroftheframe.Whentheframedeforms,theinfillwallscanresistbendingmomentstoacertaindegree,especiallyinstructureswithlargeaspectratiosofinfillwalls.

3.ModelingMethodsforRCFrameStructureswithInfillWallsToaccuratelyanalyzetheseismicperformanceofRCframestructureswithinfillwalls,appropriatemodelingmethodsareneeded.Lumpedparametermodels:Thesemodelssimplifythestructurebylumpingthemass,stiffness,anddampingatdiscretepoints.ForRCframestructureswithinfillwalls,theinfillwallscanbemodeledasequivalentstrutsorshearpanels.Theequivalentstrutmethodassumesthattheinfillwallisadiagonalstrutthattransfersshearforcesbetweentheframecolumns.Theshearpanelmethodmodelstheinfillwallasathinplatethatresistsinplaneshearforces.Finiteelementmodels:FiniteelementsoftwaresuchasANSYS,ABAQUS,etc.,canbeusedtoestablishdetailedmodelsofRCframestructureswithinfillwalls.Inthesemodels,theframemembers(columns,beams)andinfillwallsarediscretizedintofiniteelements.Thematerialpropertiesofconcrete,steel,andinfillwallmaterialscanbeaccuratelydefined,andtheinteractionbetweendifferentponentscanbesimulated.

4.SeismicResponseAnalysisModalanalysis:Modalanalysisisusedtodeterminethenaturalfrequencies,vibrationmodes,andmodalparticipationfactorsoftheRCframestructurewithinfillwalls.Thesemodalparametersprovideimportantinformationaboutthedynamiccharacteristicsofthestructure,whichareusefulforunderstandingtheseismicresponseofthestructure.Timehistoryanalysis:Timehistoryanalysisisamoreaccuratemethodforanalyzingtheseismicresponseofstructures.Byinputtingearthquakegroundmotionrecordsintothemodel,thedynamicresponseoftheRCframestructurewithinfillwallsovertimecanbeobtained.Thisincludesthedisplacement,velocity,accelerationresponsesoftheframeandinfillwalls,aswellastheinternalforcesintheframemembers.

5.FactorsAffectingtheSeismicPerformanceInfillwallcharacteristics:Theheighttolengthratio,thickness,andmaterialpropertiesoftheinfillwallshaveasignificantimpactontheseismicperformanceofthestructure.Generally,tallerandthinnerinfillwallsaremorevulnerabletodamageduringearthquakes.Connectiondetails:Theconnectionbetweentheinfillwallsandtheframeiscrucial.Agoodconnectioncaneffectivelytransferforcesbetweenthetwoponents,whileapoorconnectionmayleadtoprematurefailureoftheinfillwallsortheframe.Framestrengthandstiffness:Thestrengthandstiffnessoftheframeitselfalsoaffecttheseismicperformance.Astrongerandstifferframecanbetterresisttheadditionalforcesintroducedbytheinfillwallsduringearthquakes.

6.CaseStudyA5storyRCframebuildingwithinfillwallsisselectedforacasestudy.Thebuildingislocatedinaseismicpronearea.Modeling:AfiniteelementmodelofthebuildingisestablishedusingABAQUS.Theframemembersaremodeledusingbeamandcolumnelements,andtheinfillwallsaremodeledusingshellelements.Thematerialpropertiesofconcreteandsteelaredefinedaccordingtothedesignspecifications.Seismicresponseanalysis:Modalanalysisisfirstperformedtoobtainthenaturalfrequenciesandvibrationmodesofthebuilding.Then,timehistoryanalysisiscarriedoutusingasetofearthquakegroundmotionrecordscorrespondingtotheseismicdesignintensityofthearea.Thedisplacementandaccelerationresponsesofthebuildingareanalyzed.Resultsanddiscussion:Theresultsshowthattheinfillwallshaveasignificantimpactontheseismicperformanceofthebuilding.Themaximumdisplacementandaccelerationresponsesofthebuildingwithinfillwallsarelargerthanthoseofthebareframestructureinsomecases.Thedistributionofinternalforcesintheframemembersalsochangesduetothepresenceofinfillwalls.Theconnectiondetailsbetweentheinfillwallsandtheframearefoundtobecriticalforthetransferofforces.

7.ConclusionTheseismicperformanceofRCframestructureswithinfillwallsisaplexissue.Theinteractionbetweentheframeandtheinfillwallsneedstobecarefullyconsideredinthedesignandanalysis.Appropriatemodelingmethodsandseismicresponseanalysistechniquesshouldbeusedtoaccuratelyevaluatetheseismicbehaviorofthesestructures.Thecharacteristicsofinfillwalls,connectiondetails,andframestrengthandstiffnessareimportantfactorsaffectingtheseismicperformance.Throughcasestudies,itisshownthataprehensiveunderstandingofthesefactorscanhelpinimprovingtheseismicdesignofRCframestructureswithinfillwalls.

中文译文

带填充墙钢筋混凝土框架结构的抗震性能分析

1.引言在钢筋混凝土（RC）框架结构中，填充墙被广泛用于分隔内部空间。它们不仅增强了空间完整性，还在一定程度上有助于结构的整体刚度和强度。然而，填充墙的存在会显著影响RC框架结构的抗震性能。在地震期间，框架与填充墙之间的相互作用会导致复杂的力分布和破坏模式。因此，准确分析带填充墙RC框架结构的抗震性能对于确保结构安全至关重要。

2.框架与填充墙之间的相互作用机制RC框架与填充墙之间的相互作用是一个复杂的力学过程。当地震发生时，框架结构会产生侧向位移。由于填充墙与框架相连，它们也被迫变形。填充墙可以为框架结构提供额外的刚度和强度，但同时也会给框架引入额外的力。主要的相互作用机制包括：剪力传递：填充墙通过它们与框架之间的连接将剪力传递给框架。剪力传递能力取决于连接类型（如刚性连接、半刚性连接或柔性连接）以及墙和框架的材料特性。弯曲相互作用：在某些情况下，填充墙也可能参与框架的弯曲行为。当框架变形时，填充墙可以在一定程度上抵抗弯矩，特别是在填充墙高宽比较大的结构中。

3.带填充墙RC框架结构的建模方法为了准确分析带填充墙RC框架结构的抗震性能，需要合适的建模方法。集中参数模型：这些模型通过在离散点集中质量、刚度和阻尼来简化结构。对于带填充墙的RC框架结构，填充墙可以建模为等效支柱或剪力墙。等效支柱法假设填充墙是一个对角支柱，在框架柱之间传递剪力。剪力墙法将填充墙建模为抵抗平面内剪力的薄板。有限元模型：可以使用诸如ANSYS、ABAQUS等有限元软件来建立带填充墙RC框架结构的详细模型。在这些模型中，框架构件（柱、梁）和填充墙被离散为有限元。可以精确定义混凝土、钢材和填充墙材料的材料特性，并模拟不同部件之间的相互作用。

4.地震响应分析模态分析：模态分析用于确定带填充墙RC框架结构的固有频率、振动模式和模态参与因子。这些模态参数提供了关于结构动态特性的重要信息，有助于理解结构的地震响应。时程分析：时程分析是分析结构地震响应的一种更精确的方法。通过将地震地面运动记录输入模型