Seismic retrofitting effects of reinforcing over-track buildings with knee-brace dampers

被引：8
|
作者：
Yamada S. [1 ]
Shimizu K. [1 ]
Takei Y. [2 ]
机构：
[1] Architecture Laboratory, Structures Technology Division
[2] R and D Planning, Research and Development Promotion Division
来源：
Quarterly Report of RTRI (Railway Technical Research Institute) (Japan) | 2011年 / 52卷 / 04期
关键词：
ARX model; Knee-brace; Over-track building; Partial frame; Passive damper; Shaking table test;
D O I：
10.2219/rtriqr.52.217
中图分类号：
学科分类号：
摘要：
The study presented in this paper verifies the seismic retrofitting effects of reinforcing over-track buildings with knee-brace dampers. Firstly shaking table tests were carried out on large-scale test models, to simulate over-track buildings reinforced with knee-brace dampers. Resulting responses or hysteresis loops, confirmed the seismic retrofitting effects of knee-brace dampers. In addition, natural frequencies and damping factors of the models were estimated by ARX model. Furthermore, analytical study of over-track building models simulating true structures confirmed the seismic retrofitting effects of kneebrace dampers.
引用
收藏
页码：217 / 223
页数：6
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