Abstract：In order to improve the economy of traditional frame core tube (FCT) structural system, a new high-rise structural system of frame-distributed tube-core tube (FDCT) is proposed to reduce the enclosed area of traditional tube. Furthermore, the frame-distributed rocking tube-core tube (FDRCT) high-rise structural system is proposed to improve the reduced seismic capacity of FDCT due to the weakened stiffness. According to the simplified mechanical models of FCT, FDCT and FDRCT, the three structural dynamic equations are established based on Lagrange Equation. By analyzing the time history response of the structure subjected to earthquake and the effect of mass parameter of distributed rocking tube, it is proved that the FDRCT structure with rocking system has excellent energy dissipation and damping performance. The dynamic time history analysis of the three structures under different site conditions and different types of long-period earthquake waves is carried out, and the results show that the FDRCT structure could has energy dissipation and damping effect under different types of earthquake waves, and it is superior under long-period seismic waves. By evaluating the performance-profit value of the three structures, it show that the FDRCT structure can improve the structural economy and ensure the safety performance under different types of earthquake waves.
陈易飞, 何浩祥, 兰炳稷, 孙澔鼎. 框架-分布摇摆芯筒-核心筒结构体系力学模型及耗能减震性能分析[J]. 振动与冲击, 2023, 42(5): 47-56.
CHEN Yifei, HE Haoxiang, LAN Bingji, SUN Haoding. Mechanical model and energy dissipation performance analysis of frame-distributed rocking core tube-core tube structure system. JOURNAL OF VIBRATION AND SHOCK, 2023, 42(5): 47-56.
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