Bridge splicing and widening connecting device

• Main Authors: MO MO, ZHANG DI, QIU JINGLEI, LIANG YAO, YUAN LIGANG, LIU YAOCHUAN, HOU DINGJUN, REN JIAN, ZHANG JING
• Format: Patent
• Language: Chinese; English
• Published: 25.03.2022
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; OR VIADUCTS

The utility model discloses a widening bridge connecting device which comprises an old bridge flange plate, a new bridge flange plate, a transition butt strap and an asphalt concrete bridge floor. The upper end faces of the new bridge flange plate and the old bridge flange plate are each provided with an abutment opening, and the height of the inner side wall of each abutment opening is smaller than that of the outer side wall of each abutment opening. The new bridge flange plate and the old bridge flange plate are in lap joint through a plurality of transition butt straps, the transition butt straps are arranged in an abutment opening of the new bridge flange plate and an abutment opening of the old bridge flange plate, and cushion layers are arranged between the bottoms of the transition butt straps and the bottoms of the abutment openings. Gaps are formed between the two sides of the transition butt strap and the outer side wall of the abutment opening of the new bridge flange plate and between the two sid