CCCC TUNNEL ENGINEERING COMPANY LIMITED: Beijing East Sixth Ring Road Project
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Release time:
2025-11-28


The project traversed various strata, including silty clay, fine sand, highly weathered rock, and sandy gravel. 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: 16.07 m
Segment O.D.:15.4m
Total Length: 7.1 km
Production Capacity: 30 m³/h
Date: 2021
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