• comparison of various sliding bearings under near fault ground motions

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1394/02/01
    • تاریخ انتشار در تی پی بین: 1394/02/01
    • تعداد بازدید: 709
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     in recent years, the damages to the well-designed structures, caused by earthquakes, has attracted the attention of engineers to use seismic isolation systems such as sliding bearings. the seismic responses of conventional fixed base and isolated systems will be amplified in near fault ground motion due to its long period. herein, the behaviour of a seismically isolated structure mounted on various sliding bearings is investigated under real ground motions, then the effects of isolation’s period on seismic responses of structure is studied. the numerical results show that the normalized base shear and superstructure’s acceleration are reduced significantly and can be controlled within a desirable rang with the installation of sliding bearings. it is also found that the vfpi has better performance compared to other sliding bearings. in addition, increasing the isolation’s period leads to decreasing the normalized base shear.

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