基于反應(yīng)譜理論的并聯(lián)基礎(chǔ)隔震和砂墊層隔震研究

1、河海大學(xué)碩士學(xué)位論文基于反應(yīng)譜理論的并聯(lián)基礎(chǔ)隔震和砂墊層隔震研究姓名：劉大榕申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：巖土工程指導(dǎo)教師：朱俊高張富有20070601AbstractABSTRACTFirstlytheresearchstatesofbaseisolationathomeandabroada糟introducedinthisthesisAfterwardbasedonearthquakeresponsespectrumthebaseisol

2、atedstructureisanalyzedMOl℃OVerthecharactersandthedesignmethodoftheparallelisolationsystemandsandcushionisolationsystemarcstudiedThemaincontentsandresultsarcasfollows1Tberesearchstatesofparallelisolationsvstemareintrodue

3、edfirstlyBasedonthekinematicformulaofparallelisolation，theformulaofequivalentdamp，equivalentperiodandequivalentstifinessofitsisolationlayeraregiv鉍out2theformulaoftheparameter^ofparallelisolationsystemisalsogivenoutBasedo

4、nthespecialityoftheparallelisolationsystemwhichthetransferfoicebetween協(xié)erubberbearingandtheslidingisolatedbearingisconsidered，theformulaoftheparameter^isrevisedIftheparameter^ofthissystemisreasonablydesignedtheperiodofth

5、esystemwillbelongerthanthatofthecommonbaseisolatedstructureThedesigntechniqueofparallelisolationisgivenoutwhichcanbeusedforreferenceinpracticalprojectaftertime3Theresearchstatesofearthquakes10ectrumathomeandabroadarcintr

6、oducedinthisthesisWiththeobjectofsinglemassparticle，thecommoncharacteristicsofstatisticofparallelisolationarcstudiednedisplacementandaccelerationofearthquakespectrumofparallelisolationarcgivenoutT1leruleofchangesbetwecnt

7、heparametersandearthquakespectrumarcstudied4Arrangedandanalyzedalotoftcstdataofthesandcushionisolationitisevidentthatthee岱；ctofsandcushionisolationisnotonlyrelatedwiththethicknessofsandcushionbutalsoeffectedbythegraindia

8、meters，compactnessandgradationofsandcushionBasedontheanalysisoftestdatathedesigntechniqueofsandcushionisolationlayeraregivenoutItcanbeusedforreferenceinpracticalprojectaflertimeKeywords：baseisolation，rubberbearing，slidin