超長隔震結構的動力特性及溫度應力研究.pdf

1、蘭州理工大學碩士學位論文超長隔震結構的動力特性及溫度應力研究姓名：王琦明申請學位級別：碩士專業(yè)：防災、減災及防護工程指導教師：李慧20090602AbStraCtAtpresent，overlongstnlctureisbeC0mingverypopularwiththeconstantdeVeIOpmentofChina，seconomyByrequirementoftheirfunctions，expansionaIldconstr

2、ictionJoIntlsnotsupposedtobelocatedoratleastfrequentlylocatedinoVerlongstnlcturcTothese0verlongconcreteseamlessstmctures，itslengthcxceedsthecodeljmitsandthestresscausedbytempemturcandshrinkageisratherla唱e，whichusuallybri

3、ngScrackinstmCtureSometlmesthecrackiss0widethatthestnlcturecan’tbenomallyusedStudythecodefordesign0fthecoIlcretestructures，temperaturevariationsareevennottakenintoconsideratlonln0VerlongstructureJustonlVsomeconstructiont

4、reatmentsconsideredTherefore，totheoVerlongconcfeteseamlessstnIcture，theimponantinnuencesoftemperaturcactiononstmcturearetakenint0accountinslmcturedesi印AlthesameliIIle，ourcoun￡巧isacounlryofmanyseismic’粕dseismiczoneafewide

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6、cprotectionofpeople。slivesandpropertysafety，seismich貓become柚urgent鋤d蚰portantmissionM粕ydamagcandshowthatthesimpleuseofseismicmethodsteducetheselsmlchazardisnote腫u曲TIIereforebase—isolationtechnology勰eanhquakepreventloIIand

7、disasterfeduction勰硒ef琵ctivemeansatitsstfuctufeandlheactualseismiclestsshowthe900deffectsofisolation，asiInplestmcturc姐dstableperfbrIIlanccinourcountr)，havebeenwidelypromotedandappliedByrefb玎ingt0thebridgeen酉neeriIlgexperi

8、ence，themethodofiIlstallingthembberbe耐ngintheconc耽tcfameisputfbnⅣardtoimpr0Vetheseismicperfo肌鋤ceofstnlctllres，whichisameaIlingfult巧0ncrackcontr01IIlthispaper，there齜ltsofeanhquaketimehistory卸alysisbe觚eenthebaSci∞latedstru

9、cture鋤dbaSe—fixedstnlctIlrcarccomparedusinglafgc—scalefiniteelementanalyslsso仃wareSAP2000stmcturaldyIlamicrcsponseofelasticplastictimehistor)r卸alyslst0exploretlleuseofbaseisolaliontccllIlologyofd鋤pinge腧ctSecondly，加mthete

10、mperaturc叩theultra10ngstmcturc，thefunheranalysisofoVenongstmctu豫lmembe稿atisolatedandnonisolatedcaSeofthe硼aIs仃e鼴anddefbmationresultsandconductingfurther鋤alysisandcompariS0nAuthorh勰donemuch鋤alysisstudyt0thebasedisolationst