半剛性節點框架-鋼板剪力牆結構抗震性能試驗研究

Abstract

為研究半剛性節點框架-鋼板剪力牆結構的抗震性能,通過一榀1:3比例單跨3層半剛性節點框架-鋼板剪力牆的擬靜力試驗,研究了半剛性框架與牆體的相互影響,探究了結構的破壞順序和破壞模式,分析了結構的承載力,剛度,耗能能力等抗震性能指標.試驗結果表明:該結構具有良好的耗能能力,半剛性節點框架和牆板協同工作良好,結構的破壞順序為內嵌鋼板屈曲、屈服—邊緣構件屈服—內嵌鋼板撕裂—邊緣構件屈曲—節點轉動—邊緣構件彎扭失穩、節點塑性破壞.In order to study the seismic behavior in the structural system of the semi-rigid connection steel frame with steel plate shear walls, a one-third scale, one-bay, three-story experimental specimen of semi-rigid connection steel frame with steel plate shear walls were tested under the quasi-static to determine some seismic properties, including failure mode, the hysteretic behavior, ductility and energy dissipation. The results show that the specimen exhibited excellent ductility, energy dissipation capacity and great safety margin; the stiffness degradation of the joints was not serious; the requirement of ductility and stress was distinctly lowered by arranging infill panels; the cooperative work between the frame and the steel plate shear wall was well. The failure sequence of the structure was infill plate buckling, then yield, column yield, infill plate tearing, column buckling, connection rotation, column flexural torsional buckling and plastic collapse of the connection. ©, 2015, Xi'an Jianzhu Keji Daxue Xuebao/Journal of Xi'an University of Architecture and Technology. All right reserved