Burgberg Tunnel
Escape Tunnel and Tunnelupgrade
Client
Landesbetrieb Mobilität Trier
54292 Trier
Germany
Contractor
BeMo Tunnelling GmbH
Project location
54470 Bernkastel-Kues
Germany
Start of construction
2018
End of construction
2019
Project total value
3.75 million €
Geology
shales (Hunsrück slate) with layers of milk quartz and gaps
Technical Data
Construction of an escape tunnel with 2 cross-passages to the existing road tunnel (Burgbergtunnel between road B 50 and B 53) incl. upgrade of the existing tunnel with 1 emergency call niche and 3 hydrant niches
• emergency tunnel
length: 270 m
cross-section: 14 - 33 m²
• 2 cross-passages
length: each 20 m
Excavation: NATM, drill and blast method
Execution: shotcrete (reinforced)
Secondary Lining: 52 m (formwork) / 238 m sprayed concrete lining
• Construction of slot channels incl. retention basin (load capacity
106 m³) in prefabricated construction incl. pipelines
• fire-extinguishing pipelines incl. 3 hydrants in the tunnel
• Renovation of the tunnel drainage
• Restructuring of the portal buildings
• Replacement of the asphalt overlay
Further project related information
• blasting in urban area / only 30 m distance between buildings and tunnelling works (tunnel portal)
• excavation with 6,8 % downward slope
• Structural Analysis and Detailed Design by BeMo’s Tunnel Design Department