• intelligent seismic isolation system using air bearings and earthquake early warning

    کلمات کلیدی :
    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 813
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     recently strong seismic waves or long period seismic waves have been observed in various earthquakes that occurred in japan. as a result improvements of existing seismic isolation systems are deemed necessary. the present study proposed an intelligent seismic isolation system encompassing air bearings and earthquake early warning (eew) system. such system exhibits adequate isolation performance. the air bearings are isolation device that may render infinite the superstructure natural period by floating them, and the eew is applied for a trigger of isolation. this paper illustrates the proposed system and discusses the experimental results of a test carried out with the system. laboratory tests carried out in the present research demonstrate the effectiveness of the proposed base isolated systems and prove its efficacy in mitigating the effects of three-dimensional seismic waves. for example, the system suppressed the horizontal response acceleration of an isolation target to 38% of input acceleration.

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