土木工程学报  2016, Vol. 49 Issue (1): 42-52    
  结构工程 本期目录 | 过刊浏览 | 高级检索 |
抗弯钢框架-密肋网格复合钢板墙抗侧力体系抗震性能理论与试验研究
袁昌鲁, 郝际平, 樊春雷
西安建筑科技大学, 陕西西安 710055
Test and analysis on seismic behavior of steel frame with multi-ribbed grid composited steel plate shear wall structure
Yuan Changlu, Hao Jiping, Fan Chunlei
Xi′an University of Architecture and Technology, Xi′an 710055, China
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摘要 提出了密肋网格复合钢板剪力墙,并与抗弯钢框架相结合,充分发挥各自的性能。从理论和试验两个方面对其抗震性能进行了研究。其中理论分析主要研究了密肋网格复合钢板剪力墙的受力机制,提出了密肋网格板的构造措施,并通过有限元模型分析了其受力性能;试验研究主要针对一榀双跨两层抗弯钢框架-密肋网格复合钢板剪力墙试件进行拟静力试验,考察其在低周反复荷载作用下的侧向刚度及承载性能、滞回特性、耗能能力及破坏特性等,评价了该体系的抗震性能。研究表明:该体系在弹性阶段主要依靠墙板的剪切机制和钢框架共同承担水平荷载,非弹性阶段区格中钢板的对角斜向拉力带为结构提供侧向承载能力;密肋网格板避免了墙板发生整体剪切屈曲,限制了钢板的面外变形值,提高了其弹性刚度,缓解了墙板拉力带对边框架柱的附加弯矩,保护了主要受力构件,克服了滞回曲线的捏缩现象,显著增强了其耗能能力;钢框架与密肋网格复合钢板剪力墙具有良好的协同工作性能,体系变形能力强,大变形状态下具有稳定的承载性能,安全储备高,是优秀的抗侧力体系;破坏模式为区格中钢板屈曲屈服并撕裂,拉力场效应明显,钢框架梁端及钢框架柱底形成塑性铰。
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袁昌鲁
郝际平
樊春雷
关键词 密肋网格复合钢板剪力墙受力机制拟静力试验抗震性能破坏模式协同工作    
Abstract:A new type of lateral force resisting system, steel frame with multi-ribbed grid composited steel plate shear wall structure, proposed by the authors is tested and analyzed in detail. The force-transferring mechanism of the system is analyzed, the detailing of the multi-ribbed grid is proposed and the seismic behavior is analyzed by finite element model. The experimental test was conducted on a two-story two-bay specimen of the structure under cyclic quasi-static loading to investigate its seismic performance. The interaction between the wall plate and the surrounding frame and failure mode were investigated with regard to the loading capacity, stiffness and energy dissipation capacity. Experimental result indicates that the structure resisted the lateral load by the shear action of the wall plate in the elastic stage and when in the inelastic stage the resistance was provided by the tension zone which arises in the buckled wall plate. The multi-ribbed grids can avoid the overall shear buckling of the wall plate, limit it’s out-plane deformation, increase the initial stiffness, decrease the additional bending moment of the vertical boundary element, avoid the pinch shrinkage of the hysteresis loop and significantly improve the energy dissipation capacity. The steel frame can cooperate with the wall plate in resisting the lateral load, and the structure exhibited stable behavior at very large deformation. Primary inelastic damage mode was the yielding of the infill plates combined with the surrounding frame beam and column yielding.
Key wordsmulti-ribbed grid composite steel plate shear wall    force-transferring mechanism    quasi-static test    seismic behavior    failure mode    cooperative work
收稿日期: 2014-11-14     
PACS:  TU391  
引用本文:   
袁昌鲁, 郝际平, 樊春雷. 抗弯钢框架-密肋网格复合钢板墙抗侧力体系抗震性能理论与试验研究[J]. 土木工程学报, 2016, 49(1): 42-52.
Yuan Changlu, Hao Jiping, Fan Chunlei. Test and analysis on seismic behavior of steel frame with multi-ribbed grid composited steel plate shear wall structure. 土木工程学报, 2016, 49(1): 42-52.
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