新型外套管式梁柱节点多因素分析研究
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摘要
在外套管式节点拟静力试验的基础上,建立该种节点有限元分析模型。经与试验数据对比,表明该有限元模型的有效性。采用有限元模型对外套管式节点进行包括外套管厚度、T型件翼缘厚度、T型件腹板厚度以及有无加劲肋的多因素分析,分析总结了这些因素对节点性能的影响。通过多因素分析,得到具有一定参考价值的结论。
Based on a quasi-static experiment of outer-shell connection(OSC), the finite element model is put forward.Compared with test data, the validity of the model is testified.Then multiple factor analysis of OSC, including the thickness of outer shell, flange plate and web plate of T-shaped members, with or without ribbed stiffeners, is carried out.And the effects of these factors on the mechanical performance of OSC are analyzed and summarized.Through multiple factor analysis, some conclusions are drawn that can provide some references for engineering practices.
Based on a quasi-static experiment of outer-shell connection(OSC), the finite element model is put forward.Compared with test data, the validity of the model is testified.Then multiple factor analysis of OSC, including the thickness of outer shell, flange plate and web plate of T-shaped members, with or without ribbed stiffeners, is carried out.And the effects of these factors on the mechanical performance of OSC are analyzed and summarized.Through multiple factor analysis, some conclusions are drawn that can provide some references for engineering practices.
引文
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[10]朱伯龙.结构抗震试验[M].北京:地震出版社,1989.Zhu Bolong.Seismic structural experiments[M].Beijing:Earthquake Press of China,1989.(in Chinese)
[2]Wallace J A.Analysis of bolted moment connections in cold-formed steel beam-column sub-frames[J].Journal of Constructional Steel Research,2005,61(9):1332―1352.
[3]Chung K F,Ip K H.Finite element modeling of bolted connections between cold-formed strips and hot-rolled steel plated under static shear loading[J].Engineering Structures,2000,22(10):1271―1284.
[4]周天华,何保康,陈国津.方钢管混凝土柱与钢梁框架节点的抗震性能试验研究[J].建筑结构学报,2004,25(1):9―16.Zhou Tianhua,He Baokang,Chen Guojin.Experimental studies on seismic behavior of concrete-filled steel tubular column and steel beam connections under cyclic loading[J].Journal of Building Structures,2004,25(1):9―16.(in Chinese)
[5]王来,王铁成,陈倩.低周反复荷载下方钢管混凝土框架抗震性能的试验研究[J].地震工程与工程振动,2003,23(3):113―117.Wang Lai,Wang Tiecheng,Chen Qian.Experimental studies on seismic performance of concrete-filled steel rectangular tubular frame under low-reversed cyclic loading[J].Earthquake Engineering and Engineering Vibration,2003,23(3):113―117.(in Chinese)
[6]林乐东,林杰,宗周红.低周反复荷载作用下矩形钢管混凝土柱与钢梁连接节点的受力性能[J].地震工程与工程振动,2004,24(4):62―69.Lin Ledong,Lin Jie,Zong Zhouhong.Behavior of connections of rectangular concrete-filled tubular with steel beam subjected to low-reversed cyclic loading[J].Earthquake Engineering and Engineering Vibration,2004,24(4):62―69.(in Chinese)
[7]王来,王铁成,邓芄.方钢管混凝土框架内隔板节点抗震性能的试验研究[J].地震工程与工程震动,2005,25(1):76―80.Wang Lai,Wang Tiecheng,Deng Wan.Experimental research on seismic performance of connection reinforcedwith inner ring stiffener of concrete-filled square tubular frame[J].Earthquake Engineering and Engineering Vibration,2005,25(1):76―80.(in Chinese)
[8]李黎明,陈志华,李宁.隔板贯通式梁柱节点抗震性能的试验研究[J].地震工程与工程震动,2007,27(1):46―53.Li Liming,Chen Zhihua,Li Ning.Experimental study on the seismic performance of diaphragm-through beam-column connection[J].Earthquake Engineering and Engineering Vibration,2007,27(1):46―53.(in Chinese)
[9]苗纪奎,陈志华,姜忻良.方钢管混凝土柱与钢梁的外肋环板节点抗震性能试验研究[J].地震工程与工程振动,2007,27(2):85―90.Miao Jikui,Chen Zhihua,Jiang Xinliang.Experimental study on the seismic performance of vertical stiffener connection of concrete-filled steel tubular column and steel beam[J].Earthquake Engineering and Engineering Vibration,2007,27(2):85―90.(in Chinese)
[10]朱伯龙.结构抗震试验[M].北京:地震出版社,1989.Zhu Bolong.Seismic structural experiments[M].Beijing:Earthquake Press of China,1989.(in Chinese)
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