混凝土框架結(jié)構(gòu)抗連續(xù)倒塌的延性研究及其工程應(yīng)用.pdf

1、南昌大學(xué)碩士學(xué)位論文混凝土框架結(jié)構(gòu)抗連續(xù)倒塌的延性研究及其工程應(yīng)用姓名：陶軼元申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：建筑與土木工程指導(dǎo)教師：熊進(jìn)剛；李大浪20120611AbstractABSTRACTInrecentdecades，thenumberofstructuralprogressivecollapseeventswhichcausedbygasexplosion，terroristattackandfirehaveincreasedsha

2、rply，resultinginseriouscasualtiesandpropertylossesThedesignofstructuralresistingtoprogressivecollapseis’verydifficultandcoststoomuch，andtheordinarystructuresonlyneedtocarryouttheconceptualdesignDuctilityisanimportantaspe

3、ctintheconceptualdesignandplaysaveryimportantroleintheredistributionofinternalforceinthestructureCurrentlybecauseChina’Sstructuraldesignspecificationdonothaveverydetailedprovisionsontheductilityforstructuralresistingtopr

4、ogressivecollapse，theStructuralEngineersrarelytakeitintoaccountintheengineeringprojectSothisdissertationwillstudyontheductilityforstructuralresistingtoprogressivecollapseThemainContentsareasfollows：(1)Accordingtotwoexper

5、imentalresultsandthecorrespondingresultsofANSYSwhichcarriedoutbyourresearchgroupinthepreviousphase，thepaperwillstudytheresistantmechanismandfailuremechanismofthestructureinthewholeprocessofprogressivecollapseandputforwar

6、dtheevaluativeindicatorsoftheductilityforstructuralresistingtoprogressivecollapse；(2)Basedontheconceptandtheeffectofductilityinthestructuralresistingtoprogressive‘collapse，thepaperwillconducttheoreticalanalysistodeduceth

7、einfluentialfactorsaffectingductilityandputforwardmeasuresthatimprovetheductility；(3)Ba略edontheresultsoftheoreticalanalysis，thepaperselectasmallpartoftheexperinaentalmodelastheobjectofstudytoconductfurtheranalysisbyusing

8、finiteelementanalysissoftwareANSYSAfterthis，theoriginalexperimentalmodelwillbeimprovedandcarriedoutacomparativeanalysisontheductilityforstructuralresistingtoprogressivecollapse；(4)Accordingtotheconclusionsofanalysisabove