The technical geology applied to tunnel construction: Drilling in the vicinity of the new San Roque dam by García Castellano, Telasco

“…These safety works consist, mainly, in the lining of the tunnel according to the petrographic and tectonic characteristics of the section crossed. It should be taken into account that in most cases it is not possible to choose the place to drill, demanding, due to the force of circumstances, a place that is not always the most suitable. …”
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