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Title

EVALUATION OF FEMA P-58 METHOD FOR ESTIMATING RESIDUAL DRIFT DEMANDS IN BUCKLING RESTRAINED BRACED FRAMES

Year: 1398
COI: SEE08_254
Language: EnglishView: 426
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Authors

Neda Asgarkhani - M.Sc. in Structural Engineering, Department of Civil Engineering, Faculty of Engineering and Technology, Imam Khomeini International University, Qazvin, Iran
Mansoor Yakhchalian - Assistant Professor, Department of Civil Engineering, Faculty of Engineering and Technology, Imam Khomeini International University, Qazvin, Iran
Benyamin Mohebi - Assistant Professor, Department of Civil Engineering, Faculty of Engineering and Technology, Imam Khomeini International University, Qazvin, Iran

Abstract:

Evaluating the performance of structures after an earthquake is a very important issue for structural engineers. One of the ways for performing this evaluation is estimating residual drifts due to earthquake. Buckling Restrained Braced Frames (BRBFs) have low post-yield stiffness of brace core, and therefore may experience large residual drifts after moderate to severe ground motions. In this study, the accuracy of FEMA P -58 method is evaluated for estimating residual drift demands in BRBFs. For this purpose, two BRBFs having two and six stories height are designed according to ASCE 7-10, AISC 360-10 and AISC 341 -10, and three strain hardening ratios (i.e., α=0.003, 0.01 and 0.02) are assumed for each of them. Then, nonlinear dynamic analyses are performed on the BRBFs using a set of 78 far-field ground motion records scaled to five different intensity levels. After performing the analyses, residual drifts are computed for the BRBFs, and the accuracy of the method considered for estimating residual drifts is evaluated.

Keywords:

FEMA P-58, Residual drift, Buckling restrained braced frames, Nonlinear dynamic analysis, Strain hardening ratio

Paper COI Code

This Paper COI Code is SEE08_254. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1022606/

How to Cite to This Paper:

If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Asgarkhani, Neda and Yakhchalian, Mansoor and Mohebi, Benyamin,1398,EVALUATION OF FEMA P-58 METHOD FOR ESTIMATING RESIDUAL DRIFT DEMANDS IN BUCKLING RESTRAINED BRACED FRAMES,8th International Conference on Seismology and Earthquake Engineering,Tehran,https://civilica.com/doc/1022606

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Type of center: دانشگاه دولتی
Paper count: 6,225
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