CHINA RAILWAY 14TH BUREAU GROUP CORPORATION LIMITED : Yellow River Huang Road Tunnel in Jinan Project

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2025-11-28

The tunnel is the largest-diameter shield tunnel under construction in the world.
A ground mixing station with grout transport vehicles was utilized for the project.

 

Excavation diameter: 17.5m
Total Length: 3.3 km
Grout delivery method: Pipeline pumping
Grouting Capacity: 48 m³/h
Date: August 2024