混合高强钢框架节点抗震性能试验研究
|
摘要
混合高强钢框架是一种钢梁采用低强钢材、钢柱采用高强钢材的新型抗弯钢框架结构体系。为研究这一新型框架体系梁柱刚性节点的抗震性能,对两个钢框架节点进行了低周循环加载试验。研究结果表明:混合高强钢框架节点的滞回曲线饱满,其破坏形态、承载性能、耗能能力与普通钢框架相近,并没有因柱截面尺寸的减小导致抗震性能变差。但由于柱截面尺寸变小,节点整体刚度降低导致初始刚度有所下降。
Hybrid high strength steel frame is a new type of moment-resisting steel frame structure,which composed of low strength steel beam and high strength steel column. In order to study the seismic behavior of the beam-column joints of the new frame system,two steel frame joints were tested under quasi-static load. The results showed that the hysteresis curve of the hybrid high strength steel frame was full,the failure mode,bearing capacity,energy dissipation capacity of hybrid high strength steel frame were similar to that of ordinary steel frame,the seismic behavior was not affected due to the reduction of the cross-section of the column. As the column section size became smaller,the initial stiffness of the joint decreased.
Hybrid high strength steel frame is a new type of moment-resisting steel frame structure,which composed of low strength steel beam and high strength steel column. In order to study the seismic behavior of the beam-column joints of the new frame system,two steel frame joints were tested under quasi-static load. The results showed that the hysteresis curve of the hybrid high strength steel frame was full,the failure mode,bearing capacity,energy dissipation capacity of hybrid high strength steel frame were similar to that of ordinary steel frame,the seismic behavior was not affected due to the reduction of the cross-section of the column. As the column section size became smaller,the initial stiffness of the joint decreased.
引文
[1]陈振明,张耀林,彭明祥,等.国产高强钢及厚板在央视新台址主楼建筑中的应用[J].钢结构,2009,24(2):34-38.
[2]王彦敏,王海峰,陈新豪.G550高强钢在钢结构住宅中应用的研究[C]//全国现代结构工程学术研讨会论文集.广州:2005:845-850.
[3]BAN H Y,SHI G,SHI Y J,et al.Overall Buckling Behavior of460 MPa High Strength Steel Columns:Experimental Investigation and Design Method[J].Journal of Constructional Steel Research,2012,74(6):140-150.
[4]WANG Y B,LI G Q,CHEN S W,et al.Experimental and Numerical Study on the Behavior of Axially Compressed High Strength Steel Columns with H-Section[J].Engineering Structures,2012,43(7):149-159.
[5]段留省,苏明周,焦培培,等.高强钢组合Y形偏心支撑钢框架抗震性能试验研究[J].建筑结构学报,2014,35(12):89-96.
[6]段留省,苏明周,郝麒麟,等.高强钢组合K形偏心支撑钢框架抗震性能试验研究[J].建筑结构学报,2014,35(7):18-25.
[7]连鸣,苏明周,李慎,等.Y形偏心支撑高强钢框架结构抗震性能振动台试验研究[J].建筑结构学报,2015,36(8):24-31.
[8]孙飞飞,孙密,李国强,等.Q690高强钢端板连接梁柱节点抗震性能试验研究[J].建筑结构学报,2014,35(4):116-124.
[9]徐明,陆建锋,李红兵,等.考虑节点域加强的Q690GJ高强钢梁柱节点抗震性能试验研究[J].钢结构,2016,31(3):6-13.
[10]胡方鑫,施刚,石永久,等.高强度钢材梁柱节点受力性能的有限元分析[J].钢结构,2012,27(增刊):383-395.
[11]中华人民共和国住房和城乡建设部.建筑抗震设计规范:GB50011—2010[S].北京:中国建筑工业出版社,2010.
[12]中华人民共和国建设部.钢结构设计规范:GB 50017—2003[S].北京:中国计划出版社,2003.
[13]中华人民共和国建设部.高层民用建筑钢结构技术规程:JGJ99—98[S].北京:中国建筑工业出版社,1998.
[14]中华人民共和国建设部.建筑抗震试验方法规程:JGJ 101—96[S].北京:中国建筑工业出版社,1996.
[15]MEINHEIT D F,JIRSA J O.Shear Strength of RC Beam-Column Connections[J].Journal of Structural Engineering,ASCE,1981,107:2227-2244.
[2]王彦敏,王海峰,陈新豪.G550高强钢在钢结构住宅中应用的研究[C]//全国现代结构工程学术研讨会论文集.广州:2005:845-850.
[3]BAN H Y,SHI G,SHI Y J,et al.Overall Buckling Behavior of460 MPa High Strength Steel Columns:Experimental Investigation and Design Method[J].Journal of Constructional Steel Research,2012,74(6):140-150.
[4]WANG Y B,LI G Q,CHEN S W,et al.Experimental and Numerical Study on the Behavior of Axially Compressed High Strength Steel Columns with H-Section[J].Engineering Structures,2012,43(7):149-159.
[5]段留省,苏明周,焦培培,等.高强钢组合Y形偏心支撑钢框架抗震性能试验研究[J].建筑结构学报,2014,35(12):89-96.
[6]段留省,苏明周,郝麒麟,等.高强钢组合K形偏心支撑钢框架抗震性能试验研究[J].建筑结构学报,2014,35(7):18-25.
[7]连鸣,苏明周,李慎,等.Y形偏心支撑高强钢框架结构抗震性能振动台试验研究[J].建筑结构学报,2015,36(8):24-31.
[8]孙飞飞,孙密,李国强,等.Q690高强钢端板连接梁柱节点抗震性能试验研究[J].建筑结构学报,2014,35(4):116-124.
[9]徐明,陆建锋,李红兵,等.考虑节点域加强的Q690GJ高强钢梁柱节点抗震性能试验研究[J].钢结构,2016,31(3):6-13.
[10]胡方鑫,施刚,石永久,等.高强度钢材梁柱节点受力性能的有限元分析[J].钢结构,2012,27(增刊):383-395.
[11]中华人民共和国住房和城乡建设部.建筑抗震设计规范:GB50011—2010[S].北京:中国建筑工业出版社,2010.
[12]中华人民共和国建设部.钢结构设计规范:GB 50017—2003[S].北京:中国计划出版社,2003.
[13]中华人民共和国建设部.高层民用建筑钢结构技术规程:JGJ99—98[S].北京:中国建筑工业出版社,1998.
[14]中华人民共和国建设部.建筑抗震试验方法规程:JGJ 101—96[S].北京:中国建筑工业出版社,1996.
[15]MEINHEIT D F,JIRSA J O.Shear Strength of RC Beam-Column Connections[J].Journal of Structural Engineering,ASCE,1981,107:2227-2244.