本文選題：消能減震 + 金屬阻尼器�。� 參考：《建筑結(jié)構(gòu)》2017年S2期

【摘要】：由于金屬阻尼器具有滯回特性穩(wěn)定、耗能能力良好、構(gòu)造簡(jiǎn)單、造價(jià)低廉、對(duì)環(huán)境和溫度的適應(yīng)性強(qiáng)以及維護(hù)方便等優(yōu)點(diǎn),已被廣泛應(yīng)用于實(shí)際建筑結(jié)構(gòu)的振動(dòng)控制中。以某學(xué)校食堂的金屬阻尼器減震設(shè)計(jì)為例,介紹了金屬阻尼器減震結(jié)構(gòu)的設(shè)計(jì)分析方法,并對(duì)結(jié)構(gòu)進(jìn)行了大震下的彈塑性時(shí)程分析,對(duì)比了減震與非減震結(jié)構(gòu)在大震作用下的性能。分析結(jié)果表明,除頂層以外,采用了金屬阻尼器的減震結(jié)構(gòu)在大震作用下的層間位移角較小,且能夠滿足大震不倒的要求。此外,分析了減震結(jié)構(gòu)頂層層間位移角增大的原因,并指出了在布置阻尼器時(shí)必須遵循均勻、分散、對(duì)稱的布置原則。
[Abstract]:Metal dampers have been widely used in vibration control of building structures because of their advantages of stable hysteretic characteristics, good energy dissipation, simple construction, low cost, strong adaptability to environment and temperature, and convenient maintenance. Taking the design of metal damper in a school dining hall as an example, the design and analysis method of metal damper structure is introduced, and the elastic-plastic time-history analysis of the structure under the strong earthquake is carried out. The performance of shock-absorbing and non-shock-absorbing structures under the action of large earthquakes is compared. The results show that, except for the top layer, the interstory displacement angle of the structure with metal dampers is small under the action of large earthquakes, and it can meet the requirements of large earthquakes. In addition, the reasons for the increase of the displacement angle between the top floors of the shock absorption structure are analyzed, and the principle of uniform, dispersed and symmetrical arrangement of dampers is pointed out.
【作者單位】： 昆明理工大學(xué)建筑工程學(xué)院;
【分類號(hào)】：TU352.1

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