Ultra-thin concrete full-assembly type rail top air duct system, unit joint and construction method

• Main Authors: WANG XIN, YANG GUISHENG, LIN SENBIN, WANG ZHENGSONG, GE CAIHONG, WU XINLIU, WEN JIZHOU, SONG TAO, ZHANG CHUNLEI
• Format: Patent
• Language: Chinese; English
• Published: 02.07.2024
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS

The invention belongs to the technical field of underground traffic engineering, and particularly relates to an ultra-thin concrete full-assembly type rail top air duct system, unit joints and a construction method, and the rail top air duct system comprises a station center special unit joint, station end special unit joints and middle unit joints; the middle unit section consists of an air duct outer hanging wall, an air duct inner hanging wall and an air duct plate; the station center special unit section comprises an inverted-T-shaped hanging wall, a left special unit section and a right special unit section, the station end special unit section is composed of a mountain-shaped hanging wall, a station end hanging wall, a plug L-shaped hanging wall and a station end special air duct plate. According to the method, factors such as the number and position of holes in rail top air flue plates, structural particularity of station centers and end parts, contact net suspension requirements and the like are integ