Numerical investigation of brace”s length effect on seismic behavior of Y-Shaped braces and comparison with Chevron braces

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 Numerical investigation of brace”s length effect on seismic behavior of Y-Shaped braces and comparison with Chevron braces دارای ۱۸ صفحه می باشد و دارای تنظیمات در microsoft word می باشد و آماده پرینت یا چاپ است

فایل ورد Numerical investigation of brace”s length effect on seismic behavior of Y-Shaped braces and comparison with Chevron braces  کاملا فرمت بندی و تنظیم شده در استاندارد دانشگاه  و مراکز دولتی می باشد.

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بخشی از متن Numerical investigation of brace”s length effect on seismic behavior of Y-Shaped braces and comparison with Chevron braces :

تعداد صفحات :۱۸

چکیده مقاله:

This paper presents a non-linear finite element analyses in order to optimize the seismic characteristics of Y-shaped braces. The numerical models presented here are verified based on experimental tests considering different structural characteristics including: material nonlinearity, geometrical imperfection and residual stresses. A comparison between the numerical simulations and the test results showed a good agreement proved that the finite element analysis can be used effectively to predict the ultimate capacity of Y-shaped braced. A total of 5 models with different variants (0.63m،۰.۸۳m،۱.۱m،۱.۳m،۱.۵m) of BR2 length were investigated. Of particular interests were the specimens’ maximum lateral load carrying capacity and deformation behavior. In addition to a rational estimation of the seismic response modification factor and the energy absorption of preliminary conclusions presented in this paper, refer to the optimum seismic characteristics and the best model in terms of energy absorption of Y-shaped braced and eventually total of 5 models comparison with a chevron braced