Analytical and numerical study of a smart sliding base isolation system for seismic protection of buildings

被引：2
|
作者：
Madden, GJ [1 ]
Wongprasert, N [1 ]
Symans, MD [1 ]
机构：
[1] Degenkolb Consulting Struct Engineers, Portland, OR 97204 USA
来源：
SMART STRUCTURES AND MATERIALS 2000: SMART SYSTEMS FOR BRIDGES, STRUCTURES, AND HIGHWAYS | 2000年 / 3988卷
关键词：
adaptive seismic protection system; fluid damper; friction pendulum system; hybrid control; sliding mode control; base isolation; semi-active control;
D O I：
10.1117/12.383148
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The seismic response of a single-story steel building frame with a smart base isolation system is evaluated. The isolation system consists of sliding bearings combined with an adaptive fluid damper. The damping capacity of the fluid damper can be modulated in real-time based on feedback from the measured ground motion and superstructure response. The adaptive capabilities of the fluid damper enable the isolation system displacement to be controlled while simultaneously limiting the interstory drift response of the superstructure. This paper concentrates on the development of analytical models and control algorithms for the isolation system components and the superstructure. In general, the results from numerical simulations demonstrate that, for disparate earthquake ground motions, the smart isolation system is capable of simultaneously limiting both the response of the bearings and the superstructure.
引用
收藏
页码：18 / 29
页数：12
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