COMPARISON OF VARIOUS SLIDING BEARINGS UNDER NEAR FAULT GROUND MOTIONS
سال انتشار: 1394
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 184
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شناسه ملی سند علمی:
SEE07_239
تاریخ نمایه سازی: 29 آذر 1399
چکیده مقاله:
In recent years, the damages to the well-designed structures, caused by earth quakes, 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 groun d motion due to its long period. Herein, the behaviour of a seismically isolated structure mounted on various sliding bearings is investigated under real ground motion then the effects of isolation’s period on seismic responses of structure is studied. The numerical results show that the normalized base she ar 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 p eriod leads to decreasing the normalized base shear.
کلیدواژه ها:
نویسندگان
Mostafa FARAJIAN
M.Sc., Tabriz University, Tabriz, Iran
Navid SIAHPOLO
Faculty member ship of civil engineering department, ACECR, Ahwaz,Iran