大跨钢结构稳定分析几个基本问题的定性讨论

29320039BUILDINGSCIENCERESEARCHOFSICHUAN:2002206217:(1972),,,,,(,200092):,,;,,:;;:TU391:A:1008-1933(2003)03-0005-031,,,2008,,,,,,[1],,,,,,,,,,,,,(),;,;;2,,,,,,,,,(),,,,,,,,;,3,(),,,,[2,3]13111,pcr,,,,,,5©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,:,,,,(),,,3122,pcr,,,,,pcr,(A)(B),,2,:,,,,,pupcr,,50%3133,(),,,;,,,,,,,,3(),,,,,,31444,,,,,,,,:,,,,,,,4[6,7]411,,,,,,,,,3,,,,,,,,,,,629©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,;,,,,,,412,,,,,,,,,,,,,,;,,,,413,,,,,,,,,,,,,,,,,,5,,,,,,,,:[1].,[M].:,1995.[2].[M].:,2001.[3],.[M].:,1983.[4]GioncuV.BucklingofReticulatedShells2StateoftheArt[J].In2ternationalJouranlofSpaceStructure,1995,10(1):1246.[5],.[M].:,1999.[6]ChrisJ.Cantes,DesignStrategiesforControllingStructuralInsta2bilities[J].InternationalJouranlofSpaceStructure,2000,15(3):1672188.[7]ChenWF.StructuralStability:fromTheorytoPractice[J].En2gineeringStructures,2002,(22):1162122.Qualitativediscussiononseveralbasicproblemsofstabilitynalysisoflarge2spanstructureHEZhi2jun,DINGJie2min(BuildingStructureDepartmentofTongjiUniv.,Shanghai200092,China)Abstract:Thenecessaryconceptofstabilityanalysisoflarge2spansteelstructureisreviewed.Fromadesignpointofview,thecharacteristicsofalltypesofinstabilityareinterpreted.Themajortypesofin2stabilityarepresentedandtypicalstructuresthatpronetofailinsuchmodeareidentified.Basedonthese,practicalissuespertaintostructuralanalysisanddesignarediscussedqualitatively,beingrefer2enceforengineers.Keywords:large2spansteelstructure;stabilityanalysis;typesofinstability72003No.3,:©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.