粘鋼加固框架中節(jié)點(diǎn)變形性能試驗(yàn)研究與分析

1、華中科技大學(xué)碩士學(xué)位論文粘鋼加固框架中節(jié)點(diǎn)變形性能試驗(yàn)研究與分析姓名：劉艷軍申請學(xué)位級(jí)別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：肖貴澤20031127AbstractThisthesisintroducesdetailedtheexperimentofRCframestructurebeamcolumninternaljointsstrengthenedbygluingsteelssufferedlowfrequencycyclicloadabo

2、uttheexperimentdesigntheexperimentprocessandresults.Throughanalyzingthefailureformshystereticcurvesandthestrainofbarsconcreteandsteelsoffivefullscalesampleswedrawstheconclusionofthebondingsteelshaveimprovedthecarryingcap

3、acityandtheductilityofjointsstickysteel.ThestudyemphasizesonthedeformationbehaviorofRCframestructurebeamcolumninternaljointsstrengthenedbygluingsteels.Thedeformationofframejointsismadeupofthebenddeformationandtheshearing

4、deformationofthekeypart(plastichingeareaofbeamandcolumn)theslippingofbeambarsthejointcoreshearingdeformation.WeproposethecalculationformulaforbeamdisplacementofRCframestructurebeamcolumninternaljointsafterdiscussingthebe

5、amdisplacementproducedbyabovedeformationsonebyone.Theductilitytherigidityandtheenergyconsumptionofjointidentifytheseismiccapacityofframejoint.Contrastingsamplesstrengthenedbygluingsteelsandothersamplestheformerhavegooddu

6、ctilityandenergyconsumptioncapacityachievingtherequirementof“strongcolumnweakbeam““strongjointweakcomponents“.AtlastthepaperanalyzesthemechanicsperformanceofRCframestructurebeamcolumninternaljointsanddiscussesthebefittin

7、gformandcrackresistanceofjointsstrengthenedbybendingsteels.ThecalculationformulaforcrackresistanceofthestrengthenedjointisproposedKeywords:RCframestructurebeamcolumninternaljointsstrengthenedbygluingsteelshystereticcurve