The buckling restrained braces (BRBs) might yield but would not buckle whether compressed or tensioned. Thus, BRBs could dissipate in advance the energy of weak earthquake action and protect the structure of main complex from destruction. Meantime, under the action of strong earthquake the BRBs could absorb its energy in large amount, so that the structural safety was improved. The double-steel tube BRBs with was remodeled with additional contact-ring in the middle of their inner tube and at their ends. Finite element numeric simulation was conducted for this kind of BRBs and its result showed that it exhibited fine ability of energy dissipation and force performance.
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Yin, Z., Wang, X., Li, X. (2009). Hysteretic Response and Energy Dissipation of Double-Tube Buckling Restrained Braces with Contact Ring. In: Yuan, Y., Cui, J., Mang, H.A. (eds) Computational Structural Engineering. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-2822-8_20
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DOI: https://doi.org/10.1007/978-90-481-2822-8_20
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