組合梁高強(qiáng)連續(xù)復(fù)合螺旋箍混凝土柱框架損傷過(guò)程數(shù)值模擬分析

1、分類號(hào)：______________密級(jí)：_____________UDC：_______________學(xué)號(hào)：_____________碩士學(xué)位論文組合梁組合梁高強(qiáng)連續(xù)復(fù)合螺旋箍高強(qiáng)連續(xù)復(fù)合螺旋箍混凝土混凝土柱框架柱框架損傷過(guò)程數(shù)值損傷過(guò)程數(shù)值模擬模擬分析分析TheDamageProcessNumericalSimulationAnalysisaboutCombinationBeamHighStrengthConcreteColumn

2、sConfinedwithContinuousCompoundSpiralStirrups學(xué)位類別：工學(xué)碩士作者姓名：高倫浩學(xué)科、專業(yè)：結(jié)構(gòu)工程研究方向：鋼混凝土組合結(jié)構(gòu)指導(dǎo)教師：汪小平副教授李桅講師2015年6月1日江西理工大學(xué)碩士學(xué)位論文AbstractIIAbstractHighstrengthconcretecolumnsconfinedwithcontinuouscompoundspiralstirrupscombinatio

3、nbeam(CBCCSHRC)isoneofthecompositeparedwithotherstructurefmsithasmeexcellentseismicperfmancehighbearingcapacitysavingmaterialsimprovetheconstructionprogresssoitwaswidelyusedinthefieldofhighlevelstructure.Atpresentthestud

4、yonthiskindofstructureisstillinitsinfancyespeciallyabouttheseismicperfmanceofthewholestructureoftheresearchachievementsofdevelopmentdamageisrelativelyrarely.Withtheneedsofthedevelopmentofourcountryconstructiontheresearch

5、ofthestructureismeurgent.ThispaperbyusinglargescalefiniteelementsoftwareABAQUStobuildatwolayertwocrossCBCCSHRCstructuremodelthenanalysisitbythewayofnumericalsimulation.Thedamagemodelofconcreteistheconcretedamageplasticit

6、ymodelwhichinthesoftwareinternal.Afterthemodelwassuccessfullydebuggedmadeaoverallcalculationofthemodelemphsanalyzesthestressdistributionacteristicsofthestructurethestateofthecrackingoftheconcreteitfailuremodel.Bychanging

7、thereinfcementratioaxialcompressionratiosteelstrengthconcretestrengthstirrupstrengthreinfcementratiopresenceofcompositefloslabdesignparameterssuchasresearchontheinfluenceoftheoverallstructureofthebearingcapacityseismicpe

8、rfmance.TheresultsshowedthattheincreaseofreinfcementratiocansignificantlyimprovethebearingcapacityofthestructureimproveseismicperfmanceofthestructureAxialcompressionratioontheductilityofthestructureislargertheengineering

9、designshouldbestrictlyinaccdancewiththerequirementsofspecificationcontrolTypeincreaseswiththeincrementofthestrengthofsteelbeamthebearingcapacityofthewholestructureofincreaseislimitedtheexistenceoftheconcretecompositeflos

10、labisgreatlyimprovedfthebearingcapacityofthestructurethisismainlyduetotheslabsteelbeamjointwkwellsoastoimprovethebendingstiffnessofthebeamthebendingbearingcapacity.Basedontheresultsofnumericalsimulationbasedonaftercarrie

11、donthethoughresearchanalysisadoptthemethodofweightedcoefficientmethodfinallyestablishedsuitablefthewholestructureofCBCCSHRCdamagemodel.Modelisobtainedbythemodelverificationthecalculatedresultswiththeresultsofnumericalsim