新型鋼管混凝土環(huán)梁節(jié)點設計方法的試驗研究.pdf

1、東南大學碩士學位論文新型鋼管混凝土環(huán)梁節(jié)點設計方法的試驗研究姓名：王煥孜申請學位級別：碩士專業(yè)：結構工程指導教師：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