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Development of a Heavy Timber Buckling-Restrained Brace for Tall Wood Buildings
Snapshot: Recent advancements in timber technologies are pushing mass timber systems into larger commercial-scale markets where steel and concrete systems dominate the landscape. One such market, Buckling-restrained braced frames (BRBFs), is a newer type of seismic-force-resisting system used in modern building designs. Buckling-Restrained Braces (BRB) are incorporated into frame structures to dissipate energy or prevent damage to the surrounding structures. Recent research experiments aim to classify both the fundamental timber casing behavior and limit states of the full sized Heavy Timber - BRB. Along with the experiments, analytical formulas and analysis validate and optimize the concept HT-BRB.
Example of Heavy Timber Buckling-Restrained Brace with failure of the encased steel. Univeristy of Utah