【外文翻译】建筑结构在冲击负载作用下连续倒塌分析方法

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1、毕业设计(论文)外文资料翻译系别：建筑工程系专业：土木工程班级：姓名：学号：外文出处：中国学术前沿期刊网附件：1.原文；2.译文2013年01月05日原文：MethodsforProgressiveCollapseAnalysisofBuilding StructuresUnderBlastandImpactLoadsAbstract：Progressivecollapseofbuildingstructuresunderblastandimpactloadshasattractedgreatattentionalloverthe

2、world．Progressivecollapseanalysisisessentialforaneconomicandsafedesignofbuildingstructuresagainstprogressivecollapsetoblastandimpactloads.Becauseofthecatastrophicnatureofprogressivecollapseandthepotentiallyhighcostofconstructingorretrofittingbuildingstoresistit，itisim

3、perativethattheprogressivecollapseanalysismethodsbereliable.Forengineerstheirmethodologytocarryoutprogressivecollapseuationneednotonlybeaccurateandconcise，butalsobeeasilyusedandworksfast．Thus，manyresearchershavebeenspendinglotsofeffortindevelopingreliable，efficientand

4、straightforwardprogressivecollapseanalysismethodsrecently.Inthepresentpaper，currentprogressivecollapseanalysismethodsavailableintheliteraturearereviewed．Theirsuitabilityapplicabilityandreliabilityarediscussed．Ourrecentproposednewmethodforprogressivecollapseanalysisofr

5、einforcedconcreteframesunderblastloadsisalsointroduced．Keywords：progressivecollapseanalysis；buildingstructures；blastload：impactload   Progressivecollapseisdefinedas“thespreadofaninitiallocalfailurefromelementtoelementresultinginthecollapseofanentirestructureoradisprop

6、ortionatelylargepartofit”.Itreferstothefailureofoneoragroupofkeystructuralload—carryingmembersthatgiverisetoamorewidespreadfailureofthesurroundingmembersandpartialorcompletestructuralcollapse．Progressivecollapseofbuildingstructuresmightbeinducedbyaseriesofaccidentalan

7、dintentionaleventssuchasfalseconstructionorder，localfailureduetoaccidentaloverload，damageofcriticalcomponentbyexplosionandearthquake．Thispaperonlyfocusesonprogressivecollapseanalysisofbuildingstructuresinducedbyabnormalloads，suchasblastandimpact．   Withtherecentprogre

8、ssivecollapseofAlfredP．MurrahFederalBuildingandworldTradeCenter(WTC))researchesaremorefocusedthaneveronconstructingbuildings