摘要
隔震技术一般适用于层数为1~30层的建筑物或高宽比不大于4的各类多高层建筑物,但目前已经有很多超高、超高宽比的隔震建筑建成。本文以某四栋高层建筑为例,探讨了不同高宽比高层隔震结构的地震响应。分析结果表明,随着高宽比的增大,高层隔震结构的地震响应增强,但水平向减震系数变化不明显,高宽比变化对高层结构的隔震设计无明显影响,在进行高层结构隔震设计时高宽比的取值不应限制过严,可在现有规范的基础上予以适当放宽。
Isolation technology is usually applicable to those buildings with 1 to 30 stories or those high buildings whose height-to-width ratio is less than 4,but now there are lots of isolation buildings with height-to-width ratio have been completed. This paper takes the example of four buildings,to discuss seismic response of high-rise isolated buildings to various height-to-width ratio. The analysis shows that with the expanding of height-to-width ratio,the seismic response has strengthened. But damping coefficient in horizontal direction is not obvious. Height-to-width ratio has no distinct impact on isolation design of high structure. Height-to-width ratio should not be too strict when designing the high-rise buildings of isolation. It can be properly loosened based on standard.
出处
《地震工程与工程振动》
CSCD
北大核心
2014年第S1期788-794,共7页
Earthquake Engineering and Engineering Dynamics
关键词
高宽比
高层结构
隔震设计
隔震分析
地震反应
height-to-width ratio
high-rise structure
isolation design
isolation analysis
seismic response
