Elastic long sleeper ballast bed for urban rail transit

• Main Authors: DAI CHUNYANG, AN YANKUN, GUO JIANPING, ZHANG YANJUN, ZHANG MENGNAN, ZHAO LEI, GUO SHIHAO
• Format: Patent
• Language: Chinese; English
• Published: 30.10.2020
• Subjects: CESSPOOLS; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; FIXED CONSTRUCTIONS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS; PERMANENT WAY; PERMANENT-WAY TOOLS; SEWERAGE; SEWERS; WATER SUPPLY

The invention discloses an elastic long sleeper ballast bed for urban rail transit. Bilateral drainage ditches are arranged on two sides of the ballast bed, and a drainage pipe embedded into the ballast bed is arranged in the middle of the ballast bed. Vibration reduction base plates are installed on the two sides of the bottom of the prestressed concrete long sleeper, low-rigidity base plates areinstalled in the middle of the bottom of the long sleeper, and isolation base plates are installed around the side face of the long sleeper. Sundry-preventing filter block structures for preventing sundries from entering are arranged on the two sides of the middle of the long sleeper, and the contact range of the top of the drainage pipe and the bottom of the long sleeper and the contact range ofthe bottom of the sundry-preventing filter block are cut off. Inspection wells are arranged in the center of the ballast bed at intervals, and the inspection wells are communicated with the embeddeddrainage pipe. The technica