JOURNAL PAPER

 

Some aspects of international shotcreting practice

 

 

A. Boniface

GIBB

 

 

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SYNOPSIS

The International Tunnel and Underground Space Association (ITA) has a number of working groups (WG) that meet at least once a year. One of these is WG12, 'Use of Shotcrete', of which the author is a member. The purpose of this paper is to draw attention to a number of topics that were discussed at the WG12 meetings held in April and September 2008; and also to a number of other matters that arose from the presentation of thirty-four papers at the 5^th International Symposium on Sprayed Concrete held in Lillehammer, Norway between 21 and 24 April 2008.

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References

From the Proceedings of the 5th International Symposium on Sprayed Concrete-Modern Use of Wet Mix Sprayed Concrete for Underground Support, Lillehammer, Norway, 21-24 April 2008.

BERNARD, S. Post-crack Flexural Modulus of Fibre Reinforced Shotcrete. pp. 48-59.         [ Links ]

BJONTEGAARD, O. Testing of Energy Absorption for Fibre Reinforced Sprayed Concrete. pp. 60-71.         [ Links ]

HAGELIA, P. Deterioration Mechanisms and Durability of Sprayed Concrete in Norwegian Tunnels. pp. 180-197.         [ Links ]

KOMPEN, R. Opinions on Inspection and Testing of Sprayed Concrete. pp. 250-255.         [ Links ]

KOMPEN, R. Specifications for Sprayed Concrete. pp. 256-261.         [ Links ]

MORGAN, D.R. and DUFOUR, J-F. Shotcrete Nozzleman Certification and Qualification in North America. pp. 269-277.         [ Links ]

Other sources

BOTHMA, A. The rehabilitation of Impala No 1A ventilation shaft. The Journal of the SAIMM, vol. 101, no. 4, July 2001. pp. 177-182.         [ Links ]

ERASMUS W.P., SWANEPOEL, C.D., MUNRO, D., HAGUE, I., NORTHCROFT, I., PARRISH, A. and BASSET, A. Shotcrete lining of South Deep shafts. The Journal of the SAIMM, vol. 101, no. 4, July 2001. pp. 169-176.         [ Links ]

FRANZEN, T., GARSHOL, K.F. and TOMISWA, N. Sprayed Concrete Linings : ITA Working Group Report, Tunnelling and Underground Space Technology vol. 16, 2001. pp. 295-309.         [ Links ]

HILAR, M., Thomas, A. and FALKNER, L. The Latest Innovation in Sprayed Concrete Lining-The Lasershell Method, Tunnel 14.rocnik-c. 4/2005.         [ Links ]

LARIVE, C., and GREMILLON, K. Certification of shotcrete nozzlemen around the world, Proceedings 33rd ITA-AITES World Tunnel Congress, Prague 2007, pp. 1395-1400.         [ Links ]

MALBERG, B. Shotcrete for Rock Support: A Summary Report on the State of the Art in 15 Countries, Tunnelling and Underground Space Technology, vol. 8, no. 4, 1993. pp. 441-470.         [ Links ]

MELBY, T., DIMMOCK, R. and GARSHOL, K.F. Sprayed Concrete for Rock Support, BASF 11th Edition, 2006.         [ Links ]

MORGAN, D.R. Transfer Tunnels-Evaluation of Shotcrete by Dr D.R. Morgan from HBT Agra Ltd. Report No 157/856, Lesotho Highlands Consultants. April 1994.         [ Links ]

ROBERTS, J.W., BENTZ, D.P., LOPEZ, M. and WALL, J.R. Unpublished draft of Internal Curing of Concrete, ACI Committees 308 & 213, 2008.         [ Links ]

TESTOR, M., Alkaliarme Spritzbetontechnologie - Verfahrenstechnik: Druckfestigkeits-, Rueckprall- und Staubuntersuchungen, University Innsbruck, dissertation 1997.         [ Links ]