实腹式门式拱架结构稳定性能与设计方法研究

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1、北京交通大学硕士学位论文实腹式门式拱架结构稳定性能与设计方法研究姓名：夏怀鹏申请学位级别：硕士专业：结构工程指导教师：张勇20061201AbstmctAbstractAsanewtypesteelstrIIcture，solid—webarch．beamponal厅锄e(shortenedaSarch-be锄ponalfmle)combinesfeaturesofbotharchandponal劬me．Notonlyithasabeautimlarchitecture'butalsohasli曲terdeadwei曲tandrationalloa

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6、etricdefects，residualstressesanddifreremattendedmodes．Bothgeometricnon一1inearitya11dmaterialnon-1ine撕tyaretakenimoaccountsimultaneously．Secondly；thedesignmethodsofarch·beamponalfhmearestudied．Associatedwiththepmcticals“uations，calculatinglen舀hcoemcientsofthecolumnsoftheportalf

7、ramewhichhasasideswayarestudied．Andthecalculating1engthcoe佑cientsofthecolumnsofthearch七eamponalframearecalculated．Theinnuencingfactorsoftheload—car聊ngpropeniesofarch．be锄ponalf‰earestudiedonthebasisoffomeranalysis．E仃ectsoftherise·to—spanratios，f0肌sofarchaxesa11dchangeablefb肿sof

8、thecross—sectionsarec1撕fied．Therationalrangeoftherise—to·span