大跨钢屋架体系的连续性倒塌与安全性能评价研究.pdf
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大跨钢屋架体系的连续性倒塌与安全性能评价研究 ,由于突发事件下的初始局部破坏作用,结构容易因其脆弱性而出现连续性倒塌破坏,因此,结构鲁棒性或抗倒塌能力成为工程设计中的一项重要要求。而作为大跨公共建筑的一类典型结构,钢屋架体系因冗余度较低,其结构性能与框架或承重...欢迎下载!
paper.edu ProgressiveCollapseAnalysisandSafety AssessmentforLarge-spanSteelTrussRoof1 JIANGXiao-Feng* EastChinaArchtecturalDesign&ResearchInstituteCo.Ltd&TongjiUniversity Shanghai,P.R.China,200002 jiangxf001@163 ChenYi-Yi Dept.ofCivilEngineering TongjiUniversity Shanghai,P.R.China,200092 yiyichen@mail.tongji.edu Abstract Duetoinitiallocalfailuresinaccidentevents,dominophenomenaorevenprogressive collapsemightariseinsomevulnerablestructures,andconsequently,robustnessor collapseresistancebecomesoneimportantrequirementinstructuraldesign.Because ofitslowredundancy,trussroofusedinlarge-scalepublicbuildingsisonesystem differentfromthatofframeandbearingwall,ofwhichplentifulliteraturescanbe achieved.Inordertodiscoveritspotentialrisk,progressivecollapseanalysisis
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