考慮柱腳約束楔形變截面門式剛架柱腳強度及平面內(nèi)穩(wěn)定承載力的研究.pdf

1、西安建筑科技大學碩士學位論文考慮柱腳約束楔形變截面門式剛架柱腳強度及平面內(nèi)穩(wěn)定承載力的研究姓名：齊永勝申請學位級別：碩士專業(yè)：結(jié)構(gòu)工程指導教師：于安林2002.3.1西安建筑科技大學碩士論文AStudyonTheIntensityProblemofColumnBaseandStabilityinPlaneofPortalFramewithRestrictofColumnBaseSpecialty：StructureEngineering

2、Author：QiYongshengTutor：ProfessorYuAnlinABSTRACTTheStandardizationInstituteofChineseConstructionenactedTechnologyCodeofLightSteelStructureofPortalFrame(CECS102：98)in1999，whichprovidestheprinciplesfordesigners，accelerates

3、thepopularityofthestructureformandgreatlycutdownthequantityofsteelusedinthestructureformIntheCode，twokindsofcolumnbaseswhichhaveoneplateandtwoorfouranchorboltsandarethemostpopularinportalframesareconsidered∞pinedbasesfor

4、simplicityofdesignHoweverthedeductionoftheoryandexperimentshaveprovedt|latthetwokindsofcolumnbases(especiallythebasewithfouranchorbolts)haveremarkableabilityofrotationalrestrictwhichbringstwoproblems，oneisthattherotation

5、alrestrictofcolumnbasecertainlyimprovesthestabilityoftheframebuthowmuchcantherestrictsincreasethestabilityAnotheristhatwilltherestrictgivebirthtointensityproblemofcolumnbasesThepapertakesthefiniteelementmethodtoanalyzeth