(10) WO 2019/055818 Al
(57) The disclosed apparatus, systems and methods relate to reinforced concrete moment-resisting buildings with precast beams, precast columns, and replaceable buckling restrained reinforcements. Modular channels and pins or boxes are provided that allow for the replacement and repair of the precast moment-resisting beams and columns. Replaceable buckling restrained reinforcements are used to attach the beams and columns via embedded reinforcements and couplers.
(71) SOUTH DAKOTA BOARD OF REGENTS [US/US]; 306 East Capitol Ave., Suite 200,...