Counter-force structure for replacing and installing permanent suspender of suspension bridge

• Main Authors: CUI SONG, WANG JIANGHUA, XIAO SHIQIN, XU SONG, CHEN XIANG, LUO SHUANGQUAN, HAN HONGJU, WANG YONGKANG, WANG QIAN, GONG XINGSHENG, LEE JI-EUN, LIU HAO, HU LEI, SHEN FENGCHU, XIA BINTAO, LIU BIN, PAN YONG, ZHANG QIFEN, MAO YIGUO, MU CHUN, ZHANG HANG, ZOU XIN
• Format: Patent
• Language: Chinese; English
• Published: 30.07.2024
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The invention discloses a counter-force structure for replacing and installing a permanent suspender of a suspension bridge, which comprises a transversely arranged toggle clip anchor plate, a pressure-bearing steel beam supported on the top surface of the toggle clip anchor plate along the longitudinal direction, a jack mounted on the pressure-bearing steel beam, a cushion block arranged on the top surface of the jack, and a counter-force anchor beam transversely arranged below the toggle clip anchor plate, the top face of the counter-force anchor beam is located below the bottom face of the anchor box at the lowermost end of the temporary sling structure, the bottom of the finish-rolled threaded steel bar penetrates through the counter-force anchor beam and lifts the counter-force anchor beam, the finish-rolled threaded steel bar vertically extends upwards and penetrates through the pressure-bearing steel beam, the jack and the cushion block, and the part, located above the cushion block, of the finish-roll