Dealing with the foreseen of hydrological condition for underground constructions, several solutions can be applied to estimate the influence of the tunnel on the surrounding areas. One of these is the use of parametric methods. In this thesis the validity of two of parametric methods, the Cesano method and the DHI method have been tested in order to verify the accuracy of the results by applying them to the case of the Follo Line Project. As a general rule, these methods are applied during the design phase and they consist of an evaluation of the geological, structural, hydrogeological and constructional characteristics of the project in order to assess the interference risk caused by the presence of the tunnel. The first one, the Cesano method, allows to define which is the inflow probability for every stretch of the alignment, while the second, the DHI method, gives, in addition to the probability of inflow, also the probability that a spring or a well could experience the effect of the drainage due to the underground opening. Both methods had been applied to the longest railway tunnel project in Norway, the Follo Line Project.
Validazione di metodi parametrici per la stima delle interferenze idrogeologiche legate alla realizzazione di opere in sotterraneo: il caso del Follo Line Project (Oslo, Norvegia)
De Gerone, Ludovica
2019/2020
Abstract
Dealing with the foreseen of hydrological condition for underground constructions, several solutions can be applied to estimate the influence of the tunnel on the surrounding areas. One of these is the use of parametric methods. In this thesis the validity of two of parametric methods, the Cesano method and the DHI method have been tested in order to verify the accuracy of the results by applying them to the case of the Follo Line Project. As a general rule, these methods are applied during the design phase and they consist of an evaluation of the geological, structural, hydrogeological and constructional characteristics of the project in order to assess the interference risk caused by the presence of the tunnel. The first one, the Cesano method, allows to define which is the inflow probability for every stretch of the alignment, while the second, the DHI method, gives, in addition to the probability of inflow, also the probability that a spring or a well could experience the effect of the drainage due to the underground opening. Both methods had been applied to the longest railway tunnel project in Norway, the Follo Line Project.File | Dimensione | Formato | |
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https://hdl.handle.net/20.500.12608/28820