Continuous method of realization of works underground,...

Hydraulic and earth engineering – Underground passageway – e.g. – tunnel – Lining

Reexamination Certificate

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C405S152000, C405S153000

Reexamination Certificate

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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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patent: 6234716 (2001-05-01), Chiaves
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patent: 08060976 (1996-03-01), None
patent: 2001082074 (2001-03-01), None
patent: WO 9425688 (1994-11-01), None

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