Counter-pulling device in incremental launching construction of curved steel box girder

• Main Authors: HAN YUGANG, LI WENQIANG, DING CENKE, HAN SIWEN, WEI QIANG, PAN PING, TAN FUBING, LIN JIANMIN, WANG BORONG, WANG ZHIBING, HE PENG, LIANG QINHUAN, XIE SONGLING, JIANG FUFA, LUO YAOHUA, LU DENGYU, WEI GAN, LIU HAI, CHEN WEIJIE, XIAO JUNZHI, ZONG RENDONG, QIN JIAN, LU YUCHUN, ZHANG JIANHUI, SU HUIWANG, WANG WEI, XIAO ZHIQUAN, LIM YOU-JUN, LI QINGBIN, CHEN SHUXIN, ZENG RUISHENG, HE LIANG, XU TIAN'AI, HU YUN, LI JIANWEI
• Format: Patent
• Language: Chinese; English
• Published: 16.04.2024
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The utility model discloses a counter-pulling device in curved steel box girder incremental launching construction, which comprises two groups of counter-pulling mechanisms, each group of counter-pulling mechanism comprises a steel clamping seat, the steel clamping seat comprises a clamping seat base plate, two clamping seat clamping plates and an anchorage device, the two clamping seat clamping plates are transversely fixed on one side of the clamping seat base plate at intervals and can be matched with and clamp a bottom plate at the tail of a steel box girder, and the anchorage device is fixed on the clamping seat base plate. An anchorage device is fixed to the other side of the clamping base base plate, and a clamping base through hole matched with a steel strand to penetrate into the anchorage device is formed in the clamping base base plate in a penetrating mode. The counter-force frame comprises an end sealing plate and a counter-force frame stiffening plate, an end sealing plate through hole is formed