Geotechnical features for quarrying abandoned underground marble voids: The Monte Altissimo example, Apuane Range

In this paper the case history of an old underground quarry is presented. The quarry is located in Tuscany (Italy), in the Alpi Apuane range. The problem of old quarries is the stability of the natural structures, that is, roofs and sidewalls. For the assessment of the stability of the voids some analyses are here discussed with the aim of furnishing an operative tool for an eventual re-opening of the exploitation.