Prestressed tendon tensioning and anchor withdrawing device

• Main Authors: LU CONGSHUAI, GUO SHENHONG, WANG XUEFENG, YANG JIANGWEN, FAN DONGDONG, LU RUI, WANG HAO, LU MIN
• Format: Patent
• Language: Chinese; English
• Published: 11.08.2023
• Subjects: BUILDING; BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE; FIXED CONSTRUCTIONS; FORMS; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS; SCAFFOLDING; SHUTTERING

The utility model relates to a prestressed tendon tensioning and anchor withdrawing device which comprises support angle steel and a steel base plate, the support angle steel comprises first angle steel, second angle steel and third angle steel which form a triangular structure, the first angle steel is installed on a floor through an anchor bolt, and a jack abuts against the outer side of the third angle steel through the steel base plate. The two sets of support angle steel are arranged in parallel and located on the two sides of the prestressed tendon tensioning groove. The steel base plate is provided with an opening for the prestressed tendon to penetrate through, and the two ends of the steel base plate abut against the outer sides of the third angle steel of the two sets of support angle steel respectively. Before concrete is poured, the prestressed tendons are lengthened through the connectors under the condition that the tensioning operation length of the local prestressed tendons is not enough, rewo