Continuous method of realisation of works underground,...

Details Continuous method of realisation of works underground,... Continuous method of realisation of works underground,...

E - Fixed Constructions

21

D

E21D 9/00 (2006.01) E02D 3/12 (2006.01) E02D 29/05 (2006.01) E21B 7/04 (2006.01) E21D 21/00 (2006.01)

Patent

CA 2456303

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 said filled perforations.

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