底層框剪磚房結構基于位移的抗震性能研究.pdf

1、分燮號。UDC——一一——工學矮士學位論文底窿糕剪磚痦纓構基于位移戇抗震性鼗硪爽專業(yè)名稱：結構工程指導老辯：奎夔劐塾煎研究生：頸鏊蓉揚州犬攀二OO六年六月?lián)P州大學碩士學位論文AbstractThedisplacement—basedseismicdesign(DBSD)philosophyandmethodologyformasonrystructureswithflame—shearwallatthebottomarepresente

2、dinthisdissertationTheseismicperformanceofthistypestructureisdiscussedThesolutionstrategiesandproceduresofseveralproblemsinDBSDareproposedThemorereasonableapproachandspecificproceduresofDBSDareexpectedtobeestablishedComb

3、inedwiththesubject“Researchesonperformancebasedseismicdesignmethodandseismiccapabilityofbrickmasonrystructureswithflame—shearwallatthebottom”themainachievementsofthisdissertationaredescribedasfollows：(1)Theforceanddeform

4、ationcharacteristicsofthistypestructurearestudiedTheelasto—plasticperformanceofthisstructurewithdifferentlateralstiffnessratioareanalyzedunderdifferentearthquakewavesThelocationofweakstoriesanddamagedstateofweakstoriesar

5、estudiedItisshownthattheseismicperformanceofthisstructurearenotonlydeterminedbyeachanti—seismiccapacityofbottomandupside，butalsodeterminedbythelateralstiffnessratioandanti—seismiccapacitymatchingextentofbottomandupsidest

6、ructuresTheweakstoriesareshouldcontrolledinfirststoryandthedeformationoftheweakstoryshouldnotbeexcessThelateralstiffnessratioofsecondstorytofirststoryissuggestedbetween1320(2)Thedisplacement—patternofthisstructureisstudi

7、edbydynamictimehistoryanalysisunderdifferentearthquakeintentionItisthehorizontaldisplacementshapestandardizedbasedontopdisplacementThedisplacement—patternisalsoanalyzedwithdifferentinfectionfactorofearthquakewave，lateral

8、stiffnessratioandstorynumbersTheresultsindicatethatthedisplacement—patternofthisstructurecanchoosethecombinationofinverted—triangularanduniformitydistributionpattern(3)Thenonlinearstaticanalysis(pushover)methodwithdiffer

9、entforcedistributionpatternsisstudiedThedisplacement—pattern—basednonlinearstaticanalysismethodisproposedTheanalysisresultsindicatethattheinvertedtriangulardistributionpatternhasenoughprecision，butthedisplacement—pattern