新型鋼管混凝土環(huán)梁節(jié)點(diǎn)設(shè)計(jì)方法的試驗(yàn)研究.pdf

1、東南大學(xué)碩士學(xué)位論文新型鋼管混凝土環(huán)梁節(jié)點(diǎn)設(shè)計(jì)方法的試驗(yàn)研究姓名：王煥孜申請學(xué)位級別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：蔣永生2001.3.1ExperimentalResearchonInnovativeJointsbetweenConcreteFilledSteelTubesandRCmembersGraduateStudent：WangHuanziAdvisor：JiangYongshengAbstractConcretefilleds

2、teelmbdarstructureshavegraduallybeenadoptedinhighbuildingssincelate80andhaveachieyedafastdevelopmentHowevertheapplicationofCFTmembersinhighrisebuildingsisanewpractice，manyproblemsstillexistsBasedonrealprojects，thispaperp

3、resentssystematicalresearchoninnovativeiointsbetweenCFTmembersandRCmembers，whichisnamedhoopbeamjointinthispaperThepapermainlydiscussesthiskindofjohit’sdetaildesign，forcetransfermechanism，failuremodesandaseismicperformanc

4、eMainconclusionsofthisp印erareasfollows：1Fivespecimens，includingonecentraljointonesidejoint，onecomerjointandtwocantileverjoints，weretestedtofailureusingquasi—statictestmethodResultsindicatethatplasticdisplacementandcapaci

5、tyofthisjointareperfect(itexhibitedstablehystereticbehavioruptofailureandtheplasticdisplacementratioexceeds4)，anditisalsoexpedientforconstructionAllofthesemakeitworthyofspreadingwidely2Resultsalsoindicatethattherelativea

6、ngledisplacementbetweenreinforcedconcretehoop—beamandCFTcolumnsisnegligibleThus，thisinnovativejointcarlberegardedasakindofrigidjoint3Basedonthetheoreticalanalysisoftheforcetransfermechanisminthejointcore，thepaperderivest

7、heformulaontheshearcapacityofhoop—beamjoint4TheeriectofdifferentshapeofholesnotchedinthesteeltubeisanalyzedbythelimitedelementmethodBasedontheresults，thepaperputsforwardoptimumdesignmethods5Accordingtothetestresultsandth