Tunnel Schulberg

Client

Department for roads and traffic Kassel(„Amt fuer Strassen und Verkehrswesen“), Kassel, Germany

Contractor

BeMo Tunnelling GmbH (BeMo)
(formerly: Beton- und Monierbau)
Technical Sponsor in Joint Venture
80% in JV Schulbergtunnel (BeMo-Stutz)

Project location

BAB A44 Kassel – Herleshausen,
Hessisch Lichtenau, Germany

Start of construction

2010

End of construction

2013

Project total value

37.5 million €

Geology

Weathered middle lacustrine limestone („Mittlerer Muschelkalk“) with karst formations, weathered ceratitida layers, weathered lower keuper, weathered to highly weathered middle keuper

Technical Data

• Double-lane motorway tunnel, 2 tubes
• Total length of tunnel: 2 x 687 m
• 2 x 360 m excavation by excavator, drill and blast
• Execution by NATM (water-pressure tight)
• 2 x 327 m cut & cover tunnel (piles)
• 2 Crosspassages (1 for emergency vehicles)
• 1 lay-by enlargement
• 800 m open cuts and dams
• earthworks

Further project related information

• Structural Analysis and Detailed Design (work & as-built drawings) by BeMo (Tunnel Design Department)
• Excavation Tunnel: Nov – Apr only
• Construction cut & cover section: May – Oct only