Abstract
This paper discusses the Muela and Hlotse tunnels being driven by two new Robbins Tunnel Boring Machines. The paper is divided into four sections. In the first part, a short overview of the scope of the project is presented.
Secondly, the geological conditions along the two tunnel drives are briefly introduced. The third part discusses the various design criteria and the resulting machine specifications. The paper concludes with a case history describing the Muela and Hlotse tunnelling operations from start-up to the time of the writing of this paper.
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References
Brockway, J. Dollinger, G. and Finnsson, S. (1992) Hard Rock Tunnel Boring Machine Technical Definition in TUNCON’ 92: Design and Construction of Tunnels South African National Council on Tunnelling, Yeoville, R.S.A., pp. 39–44
Davies, A.G. (1992) An Introductory Description of the Lesotho Highlands Water Project with Emphasis on the Implementation of Phase IA in TUNCON’ 92: Design and Construction of Tunnels South African National Council on Tunnelling, Yeoville, R.S.A., pp. 9–16
Wallis, S. (1992) Lesotho Highlands Water Project, Project Brochure, S. Wallis, U.K.
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© 1994 Springer Science+Business Media Dordrecht
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Finnsson, S. (1994). Two tunnel-boring machines for Lesotho: a design and case history. In: Tunnelling ’94. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-2646-9_11
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DOI: https://doi.org/10.1007/978-1-4615-2646-9_11
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4613-6136-7
Online ISBN: 978-1-4615-2646-9
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