雙向張弦梁動力響應(yīng)分析與抗震性能研究.pdf

1、學(xué)校代號：!Q131學(xué)號：毆塑814絲鯉密級：壘玨蘭州理工大學(xué)碩士學(xué)位論文雙向張弦梁動力響應(yīng)分析與抗震性能研究學(xué)位申請人姓名直旦攙導(dǎo)師姓名及職稱至歪亟夔隧培養(yǎng)單位盔王猩堂隨專業(yè)名稱縫擅王猩論文提交日期2Q鯉生5旦S目論文答辯日期2QQ2生魚旦!目答辯委員會主席昌j醚雙向張弦粱動力響應(yīng)分析與抗震性能研究AbstractBeamStringStructure(BSS)，composedofcable，rigidbeamandstruts，i

2、saglobal，structurebythepre—stressonthecableBSShasbeenwidelyusedinmanylargespanspacestructuresduetoitsmanymeritssuchaslightweightstiffnessofthesystem，upstandingstabilityofconfigurationandshapeandapplicabilityofarchitectur

3、eetcNowadaysBSSisafocustopicinthefieldofthespatialstructure，andwhat’Smore，thiStypestructurehasbeenappliedsuccessfullyinmanylongspanbuildingsInthispaper，anti—seismicperformanceofbidirectionalBSSisstudiedbasedonachievement

4、ofpreviousresearchMakinguseoftheAPDL(ANSYSParametricDesignLanguage)inANSYS，developingthespecialparametricprogramtomodelbidirectionalBSSbuildingwhichprovidesapreconditionfortheprogressivestudyonthedynamicresponseandtheant

5、i—seismicperformanceofthestructureThefiniteelementmodelofthestructure，whichisfoundedbyreasonablesimplificationandaidedbythesottwareANSYS，formsapreconditionofdynamicsanalysis，freevibrationbehaviorsofbidirectionalBSScanbeo

6、btainedbasedonsuchFEMmodelCorrespondingdynamicsequationsareusedtodescribethedynamicbehaviorsofbidirectionalBSS，andappropriatemethodtosolvetheseproblemsisselectedonthebaseofpreviousachievementTheanti—seismicperformanceofb

7、idirectionalBSSisstudiedsystemicallyThetimehistoryanalysisisusedtocalculateandanalyzetheseismicresponseofbidirectionalBSS，andtheresultsaresummarizedFurthermorethetimehistoryanalysisisadoptedtocalculatetheresponseofbidire

8、ctionalBSSunderhorizontalseismicaction，verticalseismicactionandthere—dimensionseismicactionandcomparetheresultsofthethreecases，DynamicsresponsesandgeometricnonlineardynamicbehavioroflongspanbidirectionalBSSunderuniformex

9、citationofseismicwerediscussedMeanwhile，nonlineardynamicsresponseoflongspanbidirectionalBSSisalsodiscussedwhensuffersthreedimensionseismicactionRespectiveeffectofinfluencingparametersonthedynamiccharacteristicsandnonline

10、arseismicresponseofthestructureareanalyzedandcomparedwitheachother，whicharetherisespanratio，thesagspanratio，theprestress’valueofcableandvariationalsupportingconditionsetc，results_|fromtheanalysissuppliedsomeapplicablecon