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COMPUTATION OF PRIMARY TUNNEL SUPPORT (2005)

In this paper, the stress and strain conditions for a tunnel profile excavation are compared with the stress and strain conditions for shotcrete lining supported excavation profile. Analogously to the treatment of reinforced concrete, the ultimate bearing capacity of the concrete and steel are considered. The flexibility of the primary support structure is important. The shotcrete lining shall be slender in order to avoid bending moments.

Reference:
Proceedings of the 5th WSEAS/IASME Int. Conf. on SYSTEMS THEORY and SCIENTIFIC COMPUTATION, Malta, September 15-17, 2005 (pp278-282)
Organization:
Faculty of Mining, Geology and Petroleum Engineering, University of Zagreb, Pierottijeva 6, HR-10000 Zagreb
Croatia
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