Flexible connecting structure for old and new bridges and construction method of flexible connecting structure

• Main Authors: SU YI, HU DONGYANG, CHEN CHANGZHENG, YU YANPING, XIE JIANKE, ZHOU KUN, LU SANPING, YANG YEXIN, HE QING, HE KUNLONG, ZHOU XIAOZHUANG, LI CONGLIN, ZENG MIN, ZHOU XIAOYANG, CHEN GUOJIE
• Format: Patent
• Language: Chinese; English
• Published: 17.08.2018
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The invention discloses a stable and durable flexible connecting structure for old and new bridges and a construction method of the flexible connecting structure. The flexible connecting structure isused for connecting the two adjacent ends of a new bridge body and an old bridge body; a spacing seam exists between the two adjacent ends of the new bridge body and the old bridge body; the upper portion of the end, adjacent to the new bridge body, of the old bridge body is provided with first grooves, and the first grooves are provided with first breaking joints; the upper portion of the end, adjacent to the old bridge body, of the new bridge body is provided with second grooves, and the second grooves are provided with second breaking joints; the flexible connecting structure of the old andnew bridges comprises an isolation layer in lap joint on the first grooves and the second grooves, a lower densified rebar net arranged at the upper end of the isolation layer, a connecting rebar net, an upper densified rebar