dcsimg Soft ground tunneling - Ramboll UK Limited
      
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Soft ground tunneling

 
 
 

Ramboll has wide-ranging experience in all types of soft ground tunnelling, designing tunnels for many different purposes. We often work in sensitive urban environments, where settlement as a result of tunnelling through soft ground would be a major concern. We understand that each tunnel is uniquely important to the client.

A range of techniques

Ramboll’s tunnel engineers are skilled in using a comprehensive variety of techniques from tunnel boring machines (TBMs) with segmental linings to sprayed concrete linings (SCL), also known as the New Austrian Tunnelling Method (NATM), applied to pre-excavated tunnels.

We were involved in the design of a large diameter bored tunnel in the Nordhavn (North Harbour) area of Copenhagen, and had to choose between using an earth pressure balance or a slurry shield TBM.

For projects in areas of specific sensitivity — whether physical or political — we use our experience to prepare impact assessment studies. An example is the urban Crossrail project in London, routed through areas of potential ground movement.

Tunnels large and small

Tunnels come in all shapes and sizes. Ramboll is concerned with the design of tunnels large and small, especially in Denmark.

On the macro scale, our team of experts worked on the cut and cover road tunnels of Nordhavnsvej in Copenhagen and Marselis Boulevard in Aarhus, and the bored tunnel of Nordhavnen Metro in Copenhagen. At the other end of the spectrum, we are involved in a micro-tunnelling project at Hvidovre.

Contact

Alun Howel Thomas
Alun Howell Thomas
Head of Department, Tunnels
M+45 51618214
Ealnt@ramboll.com
Richard Miller. Ramboll
Richard Miller
Technical Director, Ground Engineering
T+44 20 7631 5291
Erichard.miller@ramboll.co.uk