基于Maxwell模型的大底盘双塔楼复合被动控制

张尚荣; 刘欣雨; 李仕浩; 谭金宝; 吕欢

doi:10.13204/j.gyjzG22022203

基于Maxwell模型的大底盘双塔楼复合被动控制

doi: 10.13204/j.gyjzG22022203

宁夏大学土木与水利工程学院, 银川 750021

基金项目:

宁夏自然科学基金项目(2021AAC05003)。

详细信息

作者简介:
张尚荣,男,1984年出生,博士,副教授。

通讯作者:
刘欣雨,L1401784867@163.com。

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- 文章访问数: 88
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- 被引次数: 0
出版历程
- 收稿日期: 2022-02-22
- 网络出版日期: 2022-12-01

Composite Passive Control of Twin-Tower Structure with Large Chassis Based on Maxwell Model

School of Civil and Hydraulic Engineering, Ningxia University, Yinchuan 750021, China

摘要

摘要: 将层间隔震与塔楼减震的复合被动控制方案用于大底盘双塔楼结构,以结构振动总能量最小为优化控制目标,推导结构的随机响应表达式,基于Kanai-Tajimi谱随机地震动模型,在等效单自由度简化模型中分析得到最优控制参数以及连接控制参数对控制效果的影响规律,将此参数用于大底盘双塔楼多自由度结构,分别从时域和频域角度对结构响应的控制效果进行分析,通过对比分析抗震方案、隔震方案以及隔减震复合被动控制方案对结构响应的控制情况,验证复合被动控制方案用于大底盘双塔楼结构的合理性和有效性。结果表明:隔震方案与隔减震复合被动控制方案对大底盘双塔结构的能量及位移响应都能起到良好的控制效果,且复合被动控制方案的控制效果更好。
- 大底盘双塔楼 /
- Maxwell模型 /
- 复合被动控制 /
- 地震激励
Abstract: The composite passive control scheme of seismic isolation and tower damping was applied to the twin-tower structure with large-chassis, with the total structural vibration energy minimization as the optimal control objective, the stochastic response expression of the structure was derived, and the optimal control parameters and the influence law of the connecting control parameters on the control effect were analyzed in the equivalent single-DOF simplified model based on the Kanai-Tajimi spectral stochastic ground vibration model, and this parameter was applied to the twin-tower structure with large-chassis. The control effects on the structural response were analyzed in the time domain and frequency domain, and the control effects of the seismic scheme, the seismic isolation scheme and the composite passive control scheme were compared and analyzed to verify the rationality and effectiveness of the composite passive control scheme for the twin-tower structure with large chassis . The results showed that both the isolation scheme and the isolation and absorption composite passive control scheme could play a good control effect on the energy and displacement response of the twin-tower structure with large chassis, and the composite passive control scheme showed a better control effect.
- twin-tower structure with large chassis /
- Maxwell model /
- composite passive control /
- seismic excitation

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