設(shè)計(jì)基本地震加速度為0.15g和0.30g地區(qū)鋼筋混凝土框架的非線性動(dòng)力反應(yīng)研究

1、／rr、爿oI～|^；=‘J————UD(1宵級(jí)學(xué)號(hào)彳鷹大擎碩士學(xué)位論文論文題目：設(shè)計(jì)基本地震加速度為0159和o309地區(qū)鋼筋混凝土框架的非線性動(dòng)力反應(yīng)研究論文作者：吳勇囂豢、教型％鼉薔：白紹良教授重慶大學(xué)職稱、工作單位：臼紹艮教授重慶大學(xué)申請學(xué)位級(jí)別：碩士專業(yè)名稱：結(jié)構(gòu)工程論文提交日期：2002年月目答辯曰期：2002年6月8目學(xué)位授予單位：重慶大學(xué)授位日期：年月13答辯委員會(huì)主席：王日午教授級(jí)高工論文評閱人：王日午教授級(jí)高工張川教

2、授2002年月日一莖蘭塑堊一一AbstractAccordingtotherefinedgroundmotionparameterdistricted_figure75and85regionsofearthquakeintensitycategoryareaddedinnewseismicdesigncodeofChinaItisworthytoanalyzesystemicallywhatisthecharacteristicinin

3、ternalforcecombinationorreinforceddesigntoflamesoftworegionsandwhatisthedifferenceinresultswhiletaking7，8and9regionsintoaccountOnthebaseofcodesin1989，aseriesofseismicmeasuresareimprovedinnewcodes，suchaslimitofinnerstorey

4、driftangle，minimumreinforcedrate，column—beammomentmagnificationcoefficientandmomentmagnificationfactoratthecolumnbase，etcItisalsonecessarytoverifybynonlineardynamicanalysiswhetherthemeasuresaboveareeffectiveandwhetherthe

5、anticipativeearthquakeresistanceaimscarlbeachievableforframesin75and85regionsItbeginswithdesigningtworepresentativereinforcedconcretepublicflamesaccordingtonewcodesinthispaperandcarriesoutnonlineardynamicanatysisbyinputt

6、inggroundmotionsattheintensityofintermediateearthquakeandraleearthquakeactionsTheslabbarseffectonyieldstrengthofbeamsisinvolvedinanalysisTheconclusionsareasfoIlowing：(a)Theelementdimensionsofframesin75regionsaredetermine

7、dmainlybyaxialcompressiveratioThereinforcementsinmostcolumnsaredominatedbytheminimumreinforcementrateAndtheelementdimensionsofframesin85regionaredeterminedbybothaxialcompressiveratioandmaximumiunerstoreydriftangleTheml‘n

8、imumreinforcementratehaslittleeffectonreinforcementincolumns(b)Whenconsideringthebarsinslabparticipateinbeamsagainstnegativeflexure，fourorsixtimesslab—thicknessoneachsideofWebCanbedefinedastheeffectiveflangewidthofslabby

9、intermediateorrareearthquakeactions(c)Therearenoplastichingesinframesof75regionsbyintermediateearthquakeactionAndfavorablegeneralsNsmiccapacitybehavesinrareearthquakeactionThewholestructureformsarelativelyexhaustive‘beam

10、hingesplasticmechanism”Itdemonstratesthattheseismicmeasuresinlowintensityregions，mainlymeansminimumreinforcementrate，iseffectiveandevenexcessivestrict(d)Thestructurein85regiondemonstratesafavorableresponseunderearthquake