屈曲约束钢板剪力墙边框刚度影响研究

范重; 李媛媛; 李玮; 田玉基

doi:10.6052/j.issn.1000-4750.2019.05.ST02

屈曲约束钢板剪力墙边框刚度影响研究

范重¹,
李媛媛^1,2,,
李玮^1,3,
田玉基²

1.
中国建筑设计研究院有限公司, 北京 100044;
2.
北京交通大学土木建筑工程学院, 北京 100044;
3.
北京科技大学土木与环境工程学院, 北京 100083

基金项目: “十三五”国家重点研发计划项目（2016YFC0701201）

详细信息

作者简介:
范重(1959-),男,北京人,教授级高级工程师,工学博士,主要从事建筑结构设计与研究工作(E-mail:fanz@cadg.cn);李玮(1994-),女,河北人,工学硕士,主要从事薄壁箱型构件研究(E-mail:18813053023@163.com);田玉基(1967-),男,江苏人,教授,工学博士,博导,主要从事风工程和地震工程研究(E-mail:yujitian@bjtu.edu.cn).

通讯作者:
李媛媛(1996-),女,安徽人,工学硕士,主要从事钢混组合构件研究(E-mail:yyuanli_06@126.com).

中图分类号: TU391;TU375
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- 文章访问数: 369
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出版历程
- 收稿日期: 2019-05-11
- 修回日期: 2019-11-16
- 刊出日期: 2020-04-13

INFLUENCE OF FRAME STIFFNESS ON PERFORMANCE OF BUCKLING RESTRAINED STEEL PLATE SHEAR WALLS

1.
China Architecture Design & Research Institute, Beijing 100044, China;
2.
School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China;
3.
School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, China

摘要

摘要: 为了考察边框刚度对屈曲约束钢板剪力墙抗震性能的影响，该文将带边框普通钢板剪力墙和屈曲约束钢板剪力墙作为研究对象，采用ABAQUS非线性有限元分析软件，计算边框刚度对构件受力性能的影响。计算结果表明，在水平往复荷载作用下，带边框屈曲约束钢板剪力墙的滞回曲线饱满，等效粘滞阻尼系数较大，边框柱与边框梁对侧向刚度、承载力与塑性耗能均有一定贡献。在1/50层间位移角时，屈曲约束钢板剪力墙边框柱与边框梁的内凹变形均很小，Mises应力均小于普通钢板剪力墙的边缘构件，损伤程度显著降低，说明对边框柱与边框梁抗弯刚度的要求可以显著低于普通钢板剪力墙。屈曲约束钢板墙内嵌钢板的拉力带分布均匀、细密，最大面外变形与损伤程度均小于普通钢板剪力墙。螺栓对盖板面外变形有很大的约束作用，当螺栓间距较小时，混凝土盖板与钢筋的Mises应力显著减小。现行技术标准中对非加劲钢板剪力墙边框刚度的规定，不能很好地适用于屈曲约束钢板剪力墙。
- 屈曲约束钢板墙 /
- 混凝土盖板 /
- 边框柱与边框梁 /
- 抗震性能 /
- 有限元分析
Abstract: In order to investigate the effect of frame stiffness on seismic performance of buckling-restrained steel plate shear walls, the paper takes ordinary SPSW with frames and BRSPSW as research objects, and uses ABAQUS non-linear finite element analysis software to study the mechanical performance of members with different frame stiffness. The results show that under horizontal reversed loading, the hysteretic curves of BRSPSW with frame are fuller, the equivalent viscous damping coefficient is larger, and the boundary columns and beams contribute to lateral stiffness, bearing capacity and plastic energy dissipation. At 1/50 inter-story drift ratio, the concave deformations of the frame column and the frame beam of BRSPSW are very small, Von-Mises stress is small compared with that of the pure SPSW, and the damage degree is also significantly reduced, which indicates that the requirement on the flexural stiffness of the frame column and the frame beam is significantly lower than that of the ordinary SPSW. The tension band distribution of the steel plate embedded in the BRSPSW is more uniform and fine, and the maximum out-of-plane deformation and damage degree are less than that of the pure SPSW. Bolts have a significant effect on the out-of-plane deformation of the cover plate. The maximum Von-Mises stress of RC cover plate and steel bar decreased significantly when bolt spacing was small. The current technical specification for the stiffness of the frame of pure SPSW can not be well applied to BRSPSW.
- buckling-restrained steel plate shear wall (BRSPSW) /
- RC cover plate /
- frame column and beam /
- seismic behavior /
- FEM analysis

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参考文献(20)

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文章访问数: 369
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屈曲约束钢板剪力墙边框刚度影响研究

通讯作者: 李媛媛(1996-),女,安徽人,工学硕士,主要从事钢混组合构件研究(E-mail:yyuanli_06@126.com).

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出版历程

INFLUENCE OF FRAME STIFFNESS ON PERFORMANCE OF BUCKLING RESTRAINED STEEL PLATE SHEAR WALLS

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出版历程

目录

通讯作者:
李媛媛(1996-),女,安徽人,工学硕士,主要从事钢混组合构件研究(E-mail:yyuanli_06@126.com).