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浙江大学学报(工学版)
浙江大学学报(工学版)
土木工程     
不等高开缝钢板剪力墙滞回性能分析
陆金钰1,2,唐屹2,舒赣平1,2,王恒华2
1.东南大学 混凝土与预应力混凝土教育部重点实验室,江苏 南京 210096；2.东南大学 土木工程学院,江苏 南京 210096
Hysteretic behavior of steel plate shear wall with slits of unequal length
LU Jin-yu1,2, TANG Yi2, SHU Gan-ping1,2, WANG Heng-hua2
1.Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education, Southeast University, Nanjing 210096, China;2.School of Civil Engineering, Southeast University, Nanjing 210096, China
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摘要：

针对带缝钢板剪力墙开设竖缝后抗侧刚度和极限承载力大幅削弱的问题，提出蝶型和梭型2种不等高开缝形式，采用数值模拟的方法对不等高开缝钢板剪力墙的弹塑性屈曲性能及滞回性能进行研究，并与传统等高开缝钢板剪力墙进行对比分析。结果表明：通过不等高开缝形式提高带缝钢板剪力墙极限承载力和抗侧刚度的效果可观，极限承载力的增幅能达到15%以上，抗侧刚度的增幅能达到40%以上；对比传统开缝形式，蝶型开缝改善墙板延性，梭型开缝对墙板延性影响不大；蝶型开缝墙板加载前期耗能性能优越且加载后期性能下降平缓，而对于梭型开缝墙板，缝间墙肢宽度越大，则承载力越早下降到极限承载力的85%，所以此开缝形式仅适用于缝间墙肢宽度较小墙板。
Abstract:

Due to the existing of vertical slits, the initial stiffness and the ultimate strength of steel plate shear wall are greatly reduced. Thus, two kinds of unequal length slit forms called “butterfly” and “fusiform” were proposed. Elasto-plastic buckling behavior and hysteretic behavior of steel slit wall were analyzed numerically and the results were compared with the traditional steel plate shear wall with slits. The results show that after using two kinds of unequal height slit forms, the ultimate strength of the plate increase by over 15% and the initial stiffness increase by over 40% with little decrease of ductility. Compared with traditional steel plate shear wall with slits, slit wall of “butterfly” slit forms has better ductility. At the beginning of loading stage, the walls of “butterfly” slit form have much better energy dissipation capability and at the end of loading stage, this capability decreases gently. But “fusiform” slit form has little effect on ductility of steel plate. With the increasing of width of flexural links of “fusiform” slit form slit walls, the bearing capacity can easily reduce to 85% of its ultimate strength. The “fusiform” slit form slit walls is only applicable for the plate with smaller width of flexural links.
出版日期: 2014-11-01
:  TU 391  
基金资助:

国家“十二五”国家科技支撑计划资助项目（2012BAJ13B014）
作者简介: 陆金钰（1981-），男，副教授.从事空间结构、钢结构的研究.E-mail: davidjingyu@gmail.com
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引用本文:

陆金钰,唐屹,舒赣平,王恒华. 不等高开缝钢板剪力墙滞回性能分析[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2014.11.009.

LU Jin-yu, TANG Yi, SHU Gan-ping, WANG Heng-hua. Hysteretic behavior of steel plate shear wall with slits of unequal length. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2014.11.009.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2014.11.009    或    http://www.zjujournals.com/eng/CN/Y2014/V48/I11/1968

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