US Patent 11649632 Buckling-restrained braces and frames including the same

An example buckling restrained brace (“BRB”) includes a casing exhibiting a hollow cross-sectional shape defining an interior region. The BRB also includes a core and at least a portion of the core is disposed in the interior region of the casing. For example, the casing may exhibit a first length and the core may exhibit a second length that is greater than the first length such that a portion of the core extends from the casing. The core is separated from the casing by an minimum gap distance along at least a portion of the first length of the casing and a corresponding portion of the second length of the core.