Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Lining
Reexamination Certificate
2005-05-17
2005-05-17
Novosad, Christopher J. (Department: 3671)
Hydraulic and earth engineering
Underground passageway, e.g., tunnel
Lining
C405S152000, C405S153000
Reexamination Certificate
active
06893188
ABSTRACT:
Continuous method of realization of underground tunnels, including the steps of making a plurality of guided perforations of small cross-section around a periphery of an underground tunnel to be realized and extending at least a majority of length of the underground tunnel to be realized, by perforation equipment with a movable perforation head, filling each guided perforation through at least one of reinforcements and aggregating materials to consolidate the tunnel with a resistant arrangement according to precise static conditions, and excavating the tunnel within the filled perforations.
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Ferrari de Nobili S.R. L.
Goldberg Richard M.
Novosad Christopher J.
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