装配式方钢管柱桁架梁节点单调加载试验研究
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摘要
提出一种新型的装配式方钢管柱桁架梁节点,对4个足尺方钢管柱桁架梁节点试件进行单调加载试验研究。主要研究连接板厚度以及桁架梁的腹杆形式对节点的承载能力和破坏形态的影响,详细观察节点试件在单调荷载作用下的受力过程,分析节点的刚度、强度以及延性性能等指标,同时结合现有规范对节点的延性进行评价。研究结果表明,节点连接板的厚度对节点的承载力和刚度影响较大,桁架梁的腹杆形式对节点的承载力影响较大,此节点形式具有较好的延性性能,可满足规范中的抗震设计要求,可以在实际工程中应用和推广。
A new prefabricated square tubular column to truss beam connections was prososed, four full-scale connections subjected to monotonic loading has been conducted. The details and results of the monotonic tests were presented. The influences of the end plate thickness and web member type on connection capacities and failure modes were studied. The loading process was carefully observed, the strength, stiffness and ductility of the connections were analyzed, and its ductility was appraised by using the present specifications. The results showed that the end plate thickness affected the connection capacities and stiffness, and web member type affected the connection capacities. Its ductility satisfied the seismic design requirements of China code, and it could be applied in the practical engineering.
A new prefabricated square tubular column to truss beam connections was prososed, four full-scale connections subjected to monotonic loading has been conducted. The details and results of the monotonic tests were presented. The influences of the end plate thickness and web member type on connection capacities and failure modes were studied. The loading process was carefully observed, the strength, stiffness and ductility of the connections were analyzed, and its ductility was appraised by using the present specifications. The results showed that the end plate thickness affected the connection capacities and stiffness, and web member type affected the connection capacities. Its ductility satisfied the seismic design requirements of China code, and it could be applied in the practical engineering.
引文
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[4]陈以一,李刚,庄磊,等.H形钢梁与钢管柱隔板贯通式连接节点抗震性能试验[J].建筑钢结构进展,2006,8(1):23-30(Chen Yiyi,Li Gang,Zhuang Lei,et al.Experimental study on the seismic performance of diaphragm through type joint connecting H beam and tube column in steel frame[J].Progress in Steel Building Structures,2006,8(1):23-30(in Chinese))
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[6]张梁,陈以一.方钢管柱与H型钢梁连接形式评述[J].结构工程师,2009,25(4):129-137(Zhang Liang,Chen Yiyi.Overview of connection types between rectangular tubular columns and H-shaped beams[J].Structural Engineers,2009,25(4):129-137(in Chinese))
[7]Ghobadi M S,Ghassemieh M,Mazroi A,et al.Seismic performance of ductile welded connection susing T-stiffener[J].Journal of Constructional Steel Research,2009,65:766-775
[8]Malaga-Chuquitaype C,Elghazouli A Y.Behaviour of combined channel/angle connections to tubular columns under monotonic and cyclic loading[J].Engineering Structures,2010,32:1600-1616
[9]徐桂根,聂建国.方钢管混凝土柱内隔板贯通式节点核心区抗震性能的试验研究[J].土木工程学报,2011,44(8):25-32(Xu Guigen,Nie Jianguo.Experimental study of connections of concrete-filled square steel tubular columns with continuous diaphragms[J].China Civil Engineering Journal,2011,44(8):25-32(in Chinese))
[10]王静峰,郭水平,陈莉萍.带肋薄壁钢管混凝土框架梁柱端板连接节点试验研究[J].建筑结构学报,2011,32(8):69-78(Wang Jingfeng,Guo Shuiping,Chen Liping.Experimental study on behavior of beam-column endplate joints of concretefilled thin-walled steel tube frame with ribs[J].Journal of Building Structures,2011,32(8):69-78(in Chinese))
[11]张爱林.工业化装配式高层钢结构体系创新、标准规范编制及产业化关键问题[J].工业建筑,2014,44(8):1-6(Zhang Ailin.The key issues of system innovation,drawing upstandard and industrialization for modularized prefabricated high-rise steel structures[J].Industrial Construction,2014,44(8):1-6(in Chinese))
[12]Zhang Ainlin,Liu Xuechun.The new development of industrial assembly high-rise steel structure system in China[C]//Proceedings of 10th Pacific Structural Steel Conference.Singapore,2013
[2]Schneider S P,Alostaz Y M.Experimental behavior of connections to concrete-filled steel tubes[J].Journal of Constructional Steel Research,1998,45:321-352
[3]Beutel J,Thambiratnam D,Perera N.Cyclic behaviour of concrete filled steel tubular column to steel[J].Engineering Structures,2002,24:29-38
[4]陈以一,李刚,庄磊,等.H形钢梁与钢管柱隔板贯通式连接节点抗震性能试验[J].建筑钢结构进展,2006,8(1):23-30(Chen Yiyi,Li Gang,Zhuang Lei,et al.Experimental study on the seismic performance of diaphragm through type joint connecting H beam and tube column in steel frame[J].Progress in Steel Building Structures,2006,8(1):23-30(in Chinese))
[5]李黎明,陈志华,李宁.隔板贯通式梁柱节点抗震性能试验研究[J].地震工程与工程振动,2007,27(1):46-53(Li Liming,Chen Zhihua,Lining.Experimental s t u d y o n s e i s m i c c a p a b i l i t y o f d i a p h r a g m-t h r o u g h style beam-column joint[J].Journal of Earthquake Engineering and Engineering Vibration,2007,27(1):46-53(in Chinese))
[6]张梁,陈以一.方钢管柱与H型钢梁连接形式评述[J].结构工程师,2009,25(4):129-137(Zhang Liang,Chen Yiyi.Overview of connection types between rectangular tubular columns and H-shaped beams[J].Structural Engineers,2009,25(4):129-137(in Chinese))
[7]Ghobadi M S,Ghassemieh M,Mazroi A,et al.Seismic performance of ductile welded connection susing T-stiffener[J].Journal of Constructional Steel Research,2009,65:766-775
[8]Malaga-Chuquitaype C,Elghazouli A Y.Behaviour of combined channel/angle connections to tubular columns under monotonic and cyclic loading[J].Engineering Structures,2010,32:1600-1616
[9]徐桂根,聂建国.方钢管混凝土柱内隔板贯通式节点核心区抗震性能的试验研究[J].土木工程学报,2011,44(8):25-32(Xu Guigen,Nie Jianguo.Experimental study of connections of concrete-filled square steel tubular columns with continuous diaphragms[J].China Civil Engineering Journal,2011,44(8):25-32(in Chinese))
[10]王静峰,郭水平,陈莉萍.带肋薄壁钢管混凝土框架梁柱端板连接节点试验研究[J].建筑结构学报,2011,32(8):69-78(Wang Jingfeng,Guo Shuiping,Chen Liping.Experimental study on behavior of beam-column endplate joints of concretefilled thin-walled steel tube frame with ribs[J].Journal of Building Structures,2011,32(8):69-78(in Chinese))
[11]张爱林.工业化装配式高层钢结构体系创新、标准规范编制及产业化关键问题[J].工业建筑,2014,44(8):1-6(Zhang Ailin.The key issues of system innovation,drawing upstandard and industrialization for modularized prefabricated high-rise steel structures[J].Industrial Construction,2014,44(8):1-6(in Chinese))
[12]Zhang Ainlin,Liu Xuechun.The new development of industrial assembly high-rise steel structure system in China[C]//Proceedings of 10th Pacific Structural Steel Conference.Singapore,2013
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