CCCC TUNNEL ENGINEERING COMPANY LIMITED : Jingjiang-Jiangyin Yangtze River Tunnel Project
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Release time:
2025-11-28
The shield traversed strata primarily composed of silty clay and fine sand. A mobile underground mixing station solution was implemented for the shield construction.
An additional No. 6 platform was equipped with a two-component grouting mixing station (integrated storage, mixing, and pumping unit), significantly reducing the cost of grout transport vehicles.
Excavation diameter: 16.09 m (SPBS)
Segment O.D.:15.5m
Total Length: 4.9 km
Production Capacity: 30 m³/h
Date: 2022
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