Bridge track structure based on ballastless track and construction method

• Main Authors: ZHU BIN, ZHANG ZHENG, ZHANG ZE, SUN LI, LIN CHAO, LI QIUYI, ZHANG SHIJIE, YI ZHENGHONG, REN XICHONG, ZHANG CHAOYONG
• Format: Patent
• Language: Chinese; English
• Published: 26.01.2024
• Subjects: ASSEMBLY OF BRIDGES; CONSTRUCTION OF BRIDGES; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS; OR VIADUCTS; PERMANENT WAY; PERMANENT-WAY TOOLS

The invention discloses a bridge track structure based on a ballastless track and a construction method, and belongs to the field of ballastless tracks. The bridge rail structure sequentially comprises a bridge, a plurality of sliding layers, a base plate and a plurality of prefabricated plates from bottom to top, the bridge comprises a plurality of beam bodies, and a gap space is formed between any two adjacent beam bodies; the top face of each beam body is provided with at least two limiting retaining walls extending in the first direction, each sliding layer is laid on the beam body and located between the two limiting retaining walls, the base plate is arranged on the sliding layers in a sliding mode and is in sliding fit with the two limiting retaining walls, the base plate is provided with a plurality of bosses arranged at intervals, and the bosses are matched with the limiting retaining walls in a sliding mode. Positioning notches are formed in the two ends of each prefabricated plate, and the two ends