地下室柱頂連梁對串聯(lián)隔震體系穩(wěn)定性的影響.pdf

1、蘭州理工大學碩士學位論文地下室柱頂連梁對串聯(lián)隔震體系穩(wěn)定性的影響姓名：韓登申請學位級別：碩士專業(yè)：防災減災工程及防護工程指導教師：杜永峰20100501ABSTRACTRecently，isolationstructurebecomesimportantdevelopingpathinseismicprotectionengineeringThelaminatedrubberbearingsofisolationsystemareuse

2、dwidelyintheworldConsideringapplicationofserialisolationsystemisextensiveinfactanddefomationbetweenbearingandcolumnsnotonlyinteractobviousbutalsoinfluencemechanicalbehaviorofintegralisolatedstructureatthesametimegenerati

3、ngsecondordereffectsThissystembecomesveryimportantmakeanalysisofthewholeofserialisolationAtpresent，thelaminatedrubberbearingsareoftenmountedonthetopofthebasementcantilevercolumnsinmostofprojectsinchinaandabroad’butduetov

4、ariousfactorstheseriesofalaminatedrubberisolatorandcantilevercolumnwasrarelyconsideredaswholeThedeformationofbearingsandcolumnscanbringinsecondordereffectsasthefunctionofhorizontalseismicforceandverticalloadSimuItaneousl

5、yinfluencethestabilityofisolatedbuildingsDuringthedesignofbaseisolatedbuildingswithbasement，threemajormethodsareusedinthedesignofsubstructure：singlecolumn，singlecolumnpluslinkbeamandsinglecolumnplusshearwallwithshortpier

6、sOnlytheformertwodesignoptmnsarecomparisonanalyzedinthispaperFirst，thesecond—orderdisplacementofseriesseismicisolationsystemiscalculatedthroughRayleighRitzwaybasedonenergytheoryundertheconditionofsmalldistortionSecond，th

7、egeometricalnonlinearcurveofhorizontalcapacitydisplacementandverticalcapacityhorizontaldisplacementofserlesseismicisolationsystemisconcludedthroughABAQUSsoftwareAtlast，thetwodesignoptionsofsubstructureofbaseisolationbuil

8、dingsarecomparedquantitativelythrOHghthefiniteelementmodelsandtheoriesanalysisatthesametimeobtainthedestructmodeItcanbefoundthatthesinglecolumnpluslinkbeamstructureISbetterthanthesinglecolumnattheperformanceofhorizontalc

9、apacityverticalcapacityandstiffnessetalThisstudycanbeusedforreferenceduringthedesignofbaseisolationbuildingsforselectingthetypeofstructuresKeywords：seriesseismicisolationsystem；linkbeam；second—ordereffects；stability；ABAQ