In-vivo restraint device of precast beam pier top closure section

• Main Authors: LI XIAOLONG, CHANG YOUBIN, LI JIANLONG, YANG JUEYU, WEN SIYANG, TUO KE, DUAN WEIXU, WANG MENG, YU QIANG
• Format: Patent
• Language: Chinese; English
• Published: 08.09.2023
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The utility model relates to a precast beam pier top closure section internal restraint device, which comprises two embedded parts and a support sleeve, each embedded part comprises an embedded steel plate, a prestressed conduit is welded in the middle of one side of the embedded steel plate, a through hole communicated with the prestressed conduit is arranged on the embedded steel plate, and the support sleeve is sleeved on the embedded steel plate. The supporting sleeve comprises a middle section and two adjusting sections, internal threads are arranged at the two ends of the middle section respectively, one ends of the two adjusting sections are in threaded connection with the two ends of the middle section respectively, and the other ends of the two adjusting sections are welded to the other sides of the embedded steel plates of the two embedded parts respectively. And the axes of the two adjusting sections and the axes of the prestressed conduits of the two embedded parts are on the same straight line. A