June 7-10, 2009
The use of shotcrete in tunnelling in frozen ground will be presented for an actual project. There are specific demands on the mixture of shotcrete and the construction because of the frozen ground. The basics for the design especially the safety concept and the experiences made during construction will be presented.
Ludger Speier and Heiner Klönne, "SHOTCRETE IN TUNNELLING IN FROZEN GROUND" in "Shotcrete for Underground Support XI", Felix Amberg, M.o.S. ETHZ, SIA, Switzerland; Knut F Garshol, BASF Construction Chemicals, LLF, USA Eds, ECI Symposium Series, (2009). http://dc.engconfintl.org/shotcrete/10