鋼結構交錯桁架結構體系受力性能的研究.pdf

1、內蒙古工業(yè)大學碩士學位論文鋼結構交錯桁架結構體系受力性能的研究姓名：燕蘭申請學位級別：碩士專業(yè)：巖土工程指導教師：曹玉生20060601AbstractAsanewstylestructuresystemStaggeredTrussSystemisaneconomical，practicalefficientbearingoneinsteelstructure，withopeninggreatlyenteringdeeplyasitsm

2、ainfeature.HoweverthetheeticalresearchengineeringpracticeonStaggeredTrussSystemisstillinelementaryphasecurrentlywithmeproblemsneedingtobedeeplystudied.Beingapartoftheresearchitem(ZD200504)inInnerMongoliaUniversityofTechn

3、ologyTheauthofthispaperismainlyresearchingthefollowingcontents:takingHuhhotfexamplethroughstaticanalysisResponsespectrumanalysisTheauthofthispaperstudiedthestaticdynamiccapabilityofStaggeredTrussSystemwhenituseddifferent

4、trussfm.Resultsindicatedthat:thebearingloadcapabilityofVierendeelTrussisthewst.weshouldn’tadoptthisstructure.，unlessthespanofthetrussisnotgreatthebuilding’ssteynumberislessaseismaticrequirementisnotmuchotherwiseTheresist

5、ancehizontalfcestiffnessofblendingtrussismuchlargerthanitsverticalresistancefcestiffness；sowhenwesetdecussationbraceontheStaggeredTruss’slengthwaysframenotonlycantheverticalresistancefcesstiffnessofstaggeredtrussbeadvanc

6、edevidentlybutalsocanitslengthwaysstydriftsbeminishedeffectively，furthermethestructure’slateralstydriftscanalsobeminished.IfWarrentrusswhichhaven’tuprightbraceisusedinstaggeredtrusssystemweshouldadoptthereinfcemeasuretot

7、hefirstflo.AtthesametimeTheauthofthispaperresearchedtheelasticityplasticityperfmanceofstaggeredtrusswhichhasdifferenttrussfminthe8oclassficationofaseismaticperfmancerequirementIIgenusfieldbyNonlinearStaticProcedurethenge

8、ttheplastichingedevelopmenttrendofeverycase.Meoveritsaseismaticperfmancewasevaluated.ThusitcanprovideevidencefthetheeticaldesignofStaggeredTrussSystem.KeywdsKeywds:StaggeredtrusssystemHizontalresistancefcesstiffnessNonli