Karst is a common geo-morphological feature widespread all over the world and develops in presence of well-defined lithological and environmental conditions. In the last decades, tunnels are becoming longer and longer and with higher overburden (base-tunnels), and usually exe-cuted by means of a TBM. This executive choice requires a full knowledge of the geologi-cal/geomechanical setting already in the first stages of a project. Failing careful well-addressed preliminary investigations can result into unexpected incidents, with delay of the timing, in-crease of the costs and also possible injuries and casualties. The paper outline karst principles and on the base of field experiences gives some suggestions for addressing this hazard.
Tunneling and karst systems: a review / COLI M.; PICCINI L.; MUSCEDRA M.M.. - ELETTRONICO. - (2020), pp. 504-511.
Tunneling and karst systems: a review
COLI M.
;PICCINI L.;
2020
Abstract
Karst is a common geo-morphological feature widespread all over the world and develops in presence of well-defined lithological and environmental conditions. In the last decades, tunnels are becoming longer and longer and with higher overburden (base-tunnels), and usually exe-cuted by means of a TBM. This executive choice requires a full knowledge of the geologi-cal/geomechanical setting already in the first stages of a project. Failing careful well-addressed preliminary investigations can result into unexpected incidents, with delay of the timing, in-crease of the costs and also possible injuries and casualties. The paper outline karst principles and on the base of field experiences gives some suggestions for addressing this hazard.File | Dimensione | Formato | |
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2020-Coli et al-Karst tunneling-ISRM2020.pdf
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