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Vol 186
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Geodesy, geomechanics and underground construction

Geomechanical substantiation of parameters of the fastening of railway tunnels in the conditions of the North Caucasus

N. A. Belyakov
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  • Saint Petersburg State Mining Institute (Technical University)
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The article presents the rationale of temporary supports used in the drilling of new mines, which provides for the construction of model projects of reconstruction of old tunnels. Finite-element method analyzed the changes of stress-strain state containing tunnel complex array during the drilling of new mines. Based on the analysis, a number of findings to explore the possibility of reducing the thickness of the permanent support of new mines in tunnel complex - the new tunnel, and transport and drainage culvert.

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  1. Булычев Н.С. Механика подземных сооружений: Учеб. для вузов. 2-е изд., перераб. и доп. М.: Недра, 1994. 382 с.

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