Project:

Katzenbergtunnel, Germany

Client:

German Railway Authority, Project Development and Construction South
(Deutsche Bahn AG, DBBauProjekte Süd)

Employer:

German Railway Authority, Project Development and Construction South
(DBBauProjekte Süd)

Project Data:

2 single-lane railway tunnels of appr. 9 km respecively, cross section appr. 95 m2, partly in swelling rock.

Shield driving was being planned as an alternative to the shotcreting method and is now being executed.

The advance of the shield will be partly with an open mode and partly with a closed mode (EPB) at the face. Final lining consists of 1 segmental ring. A maximum water pressure of up to 9 bar is being expected.

Project Dates:

start of construction: 2004

Work by PSP:

preliminary and tender design for shield driven alternative with segmental lining, evaluation of tenders