Beijing-Shenyang Wangjing High-Speed Rail Tunnel
Release time:
2025-12-24
Abstract
Construction unit: China Railway Fourteenth Bureau Group Co., Ltd.
Device Number: ("Wangjing No. 1" Tunnel Boring Machine) China Railway Construction Heavy Industry
Cutting disc diameter: 10.90 meters
Tunneling length: 3,800 meters
Project Features:
The risk sources encountered during the tunneling process were exceptionally challenging. The tunnel continuously passed beneath the Airport Express, Metro Line 15’s Maquanying Station, 34 high-voltage 110-kV power transmission towers, and a residential area spanning 1.8 kilometers—each constituting a Class-A risk source. This project set a new national record for settlement control when large-diameter shield tunnels pass under existing structures. By tackling environmental protection challenges head-on, the project successfully built one of the country’s first large-diameter slurry shield tunneling plants that achieves “zero pollution, zero leakage, and zero emissions” in slurry treatment, thereby completely resolving the issue of slurry contamination associated with urban shield tunneling construction.
Year of commencement: December 2016
Year of completion: August 2018
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