豎向不規(guī)則多高層結(jié)構(gòu)基于性能的抗震分析及研究.pdf

1、同濟(jì)大學(xué)土木工程學(xué)院碩士學(xué)位論文豎向不規(guī)則多高層結(jié)構(gòu)基于性能的抗震分析及研究姓名：應(yīng)丹君申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：朱慈勉20090301AbstractABSTRACTPerformance—basedseismicdesigntheoryisanemergingandadvancedconceptforseismicdesignofstructuresComparedwiththetraditionalseismicd

2、esigntheoryithasowncharacteristics，suchasmultilevel，comprehensivenessandflexibilitywhichiseasiertobeacceptedbybuildingownersandstructuredesignersThistheoryismainlyappliedinregularstructureseismicdesignButtoirregularstruc

3、ture，systematicresearchisinsufficientFocusontheperformancebasedseismicdesignofverticallyirregularmulti—storiesstructure，someresearchesareinvestigatedinthispaperFirstconsideringChinasnationalconditions，fiveclassesseismicp

4、erformancelevelareproposedforreinforcedconcreteframesstructure，basedontheanalysisoftheresearchstatusandrelevantrulesonperformancelevelComparedwiththreeearthquakeperformancelevelsinthenationalcodeforseismicdesign，moreopti

5、onsareprovidedtoincreaseflexibilityoftheseismicdesignfortheownersanddesignersInChinaseismicdesigncode，repairablelevelundermoderateearthquakehasnotbeenclearlyquantifiedAreasonableperformancelevelindexisestablishedinthispa

6、per’throughthestatisticaldataonseismicperformancetestofreinforcedconcreteframesSecondlyasimplefixedlateralloadpaaernisdevelopedonresearchofsomeimportantfactors，suchasstoryweight，storylateralstiffnessmodeparticipationrati

7、o，inwhichtheparticularityofirregularstructurecanbeconsideredComparedwiththeresultsofthenonlineardynamicanalysis，itisindicatedthatthesoftstoryCanbedetectedaccuratelythroughtheproposedfixedlateralloadpatternWhatismore，thev

8、alidityandaccuracyofpushoveranalysisarcimprovedThereaftertheusualcapacityspectrummethodonlyconsiderthefirstresponsemodeofstructureswhenthemultidegreeoffreedom(MDOF)systemissimplifiedtotheheequivalentsingledegreeoffreedom