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1、济南大学毕业设计外文资料翻译毕业设计外文资料翻译题目建筑结构在冲击负载作用下的连续倒塌分析方法学院土木建筑学院专业土木工程班级土木1107学生陈浩学号20110622014指导教师林明强二〇一五年三月一日-6-济南大学毕业设计外文资料翻译TRANSACTIONSOFTIANJINUNIVERSITY,2008,14(5)MethodsforProgressiveCollapseAnalysisofBuilding StructuresUnderBlastandImpactLoadsLIZhongxian(李忠献)，SHIYanchao(师燕超)(SchoolofCivilEnginee

2、ring，TianjinUniversity，Tianjin300072，China) Abstract：Progressivecollapseofbuildingstructuresunderblastandimpactloadshasattractedgreatattentionallovertheworld．Progressivecollapseanalysisisessentialforaneconomicandsafedesignofbuildingstructuresagainstprogressivecollapsetoblastandimpactloads.Becaus

3、eofthecatastrophicnatureofprogressivecollapseandthepotentiallyhighcostofconstructingorretrofittingbuildingstoresistit，itisimperativethattheprogressivecollapseanalysismethodsbereliable[1].Forengineerstheirmethodologytocarryoutprogressivecollapseevaluationneednotonlybeaccurateandconcise，butalsobee

4、asilyusedandworksfast．Thus，manyresearchershavebeenspendinglotsofeffortindevelopingreliable，efficientandstraightforwardprogressivecollapseanalysismethodsrecently.Inthepresentpaper，currentprogressivecollapseanalysismethodsavailableintheliteraturearereviewed．Theirsuitabilityapplicabilityandreliabil

5、ityarediscussed．Ourrecentproposednewmethodforprogressivecollapseanalysisofreinforcedconcreteframesunderblastloadsisalsointroduced．Keywords：progressivecollapseanalysis;buildingstructures;blastload;impactloadProgressivecollapseisdefinedas“thespreadofaninitiallocalfailurefromelementtoelementresulti

6、nginthecollapseofanentirestructureoradisproportionatelylargepartofit”[1].Itreferstothefailureofoneoragroupofkeystructuralload—carryingmembersthatgiverisetoamorewidespreadfailureofthesurroundingmembersandpartialorcompletestructuralcollapse[2]．Progressivecollapseofbuildingstructuresmightbeinducedb

7、yaseriesofaccidentalandintentionaleventssuchasfalseconstructionorder，localfailureduetoaccidentaloverload，damageofcriticalcomponentbyexplosionandearthquake．Thispaperonlyfocusesonprogressivecollapseanalysisofbuildingstructures