The underground cavity network of south-eastern Rome (Italy): an evolutionary geological model oriented to hazard assessment |
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Authors: | Gianluca Bianchi Fasani Francesca Bozzano Michele Cercato |
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Affiliation: | (1) Centro di Ricerca CERI, Previsione, Prevenzione e Controllo dei Rischi Geologici, “Sapienza” University of Rome, P.zza U. Pilozzi 9, 00038 Valmontone, RM, Italy;(2) Dipartimento di Scienze della Terra, “Sapienza” University of Rome, P.le A. Moro 5, 00185 Rome, RM, Italy;(3) Dipartimento di Ingegneria Civile, Edile e Ambientale, “Sapienza” University of Rome, Via Eudossiana 18, 00184 Rome, RM, Italy |
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Abstract: | There are many abandoned underground mines beneath the city of Rome, created in the Pleistocene pyroclastic deposits over
thousands of years. These pose a serious public safety risk hence the study was undertaken to better assess the stability
of the underground workings. The Villa de Sanctis public park was selected as a suitable test site, as in this area the cavity
network can be inspected and the different steps of the progressive migration of voids toward the surface can be identified.
In addition to an underground geological survey, geophysical investigations were undertaken to elucidate some key characteristics
of the involved lithological units, including elastic stiffness and layer thickness. Recommendations are made for further
studies of the accessible and inaccessible areas. |
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