Abstract The Wuhan Yangtze River tunnel on Sanyang Road, the first rail-and-road combined shield tunnel in the world, has encountered some difficulties in overall design because of its extra-large diameter, high water pressure, small spacing, complicated geological conditions, and difficult construction conditions. Thus, based on the interactive factors of environmental conditions, relevant construction safety and risk, technical requirements for rail and road, and disaster prevention and rescue during operation, this paper analyzes some key design techniques for the tunnel plane, longitudinal profile, cross section, and evacuation and rescue in order to reduce the risks of construction and operation. Additionally, a proper overall design scheme is proposed, providing a good reference for similar projects in the future.
Abstract：
The Wuhan Yangtze River tunnel on Sanyang Road, the first rail-and-road combined shield tunnel in the world, has encountered some difficulties in overall design because of its extra-large diameter, high water pressure, small spacing, complicated geological conditions, and difficult construction conditions. Thus, based on the interactive factors of environmental conditions, relevant construction safety and risk, technical requirements for rail and road, and disaster prevention and rescue during operation, this paper analyzes some key design techniques for the tunnel plane, longitudinal profile, cross section, and evacuation and rescue in order to reduce the risks of construction and operation. Additionally, a proper overall design scheme is proposed, providing a good reference for similar projects in the future.
XIAO Ming-Qing-1,
2 ,
LING Han-Dong-1 etc
.Key Techniques for the Overall Design of the Rail-and-Road Combined Yangtze River Tunnel on Sanyang Road in Wuhan [J] MODERN TUNNELLING TECHNOLOGY, 2014,V51(4): 161-167
2014, Vol. 51 