Review of buckling restrained braces for earthquake resistant design of industrial structures in India Online publication date: Tue, 30-Nov-2021
by Bhavinkumar S. Shah; Vijay R. Panchal
International Journal of Structural Engineering (IJSTRUCTE), Vol. 12, No. 1, 2022
Abstract: India had already witnessed devastating earthquakes in past and may witness even higher intensity of earthquakes in the future. The industrial structures are highly irregular structures and hence they are more vulnerable to earthquakes. The earthquake resistant design related codal provisions are revised recently in India. The conventional structural systems of moment resisting frame and conventional brace are not the most efficient systems for earthquake resistant design. In this paper, buckling restrained braces (BRB) are reviewed for the industrial structures in India. In the study, heavy silo supporting structure is analysed using conventional braces and BRBs. Total six nos. of analytical models are generated and response reduction factor are evaluated using pushover analysis. BRB is not yet codified in the Indian Standards. For implementation of the system in the country, codification is required for standardisation. The more research is required to eliminate the full scale testing requirements of BRB.
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