Reaction frame device for prepressing bridge bracket

• Main Authors: LI KANGKANG, LUO KAIXIN, CHEN JIE, CHENG KAI, LI YONGCAN, DING GUISHENG, YANG WEI, HUANG JUN, LI GUOHUA, CHENG MAOHUA, ZHOU YUN
• Format: Patent
• Language: Chinese; English
• Published: 10.11.2020
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

A counter-force frame device for bridge bracket pre-pressing comprises a counter-force frame, the counter-force frame comprises a horizontal cross beam, a vertical beam is arranged in the middle of the cross beam, inclined struts are arranged between the upper end of the vertical beam and the two ends of the cross beam, and a horizontal shoulder pole beam perpendicular to the cross beam is arranged on the top face of the cross beam on one side of the lower end of the vertical beam. Two downward prestressed tendons are symmetrically arranged on the shoulder pole beam in a penetrating manner, and the lower ends of the prestressed tendons are anchored in the pier body; and two fulcrums are arranged on the bottom surface of the cross beam under the two connecting points of the two inclined struts and the cross beam, one of the fulcrums is arranged at the top of the pier body, and a jack is arranged below the other fulcrums and is arranged on a bracket on the side of the pier body. By adopting the structure, the b