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US 10,519,772 B2Granted
Construction element for creating a tunnel, tunnel comprising such an element and methods for constructing such an element and such a tunnel
AssigneesAgence Nationale Pour La Gestion Des Dechets Radioactifs, Constructions MéCaniques Consultants
InventorJean Simon
Life of this patent
Estimating the term…
Abstract
Construction element for creating a tunnel, including an incompressible concrete first layer and a compressible second layer securedly united to the first layer to form a monoblock prefabricated construction element to be integrated in a section of the tunnel, the second layer including a material comprising granulates aggregated by a binder, and cavities sunk into the material.
Claims10
A construction element for creation of a tunnel, comprising:
- an incompressible first layer made from concrete;
- and
- a compressible second layer securedly united to the first layer to form a monoblock prefabricated construction element configured to be integrated in a section of the tunnel,
- wherein the second layer comprises:
- a material comprising granulates aggregated by a binder,
- cavities sunk into the material, and
- a plurality of devices sunk into the material, each device having a solid body delineating at least one closed free space.
4 more elements
A method for manufacturing a construction element for creating a tunnel, comprising:
- making an incompressible first layer of concrete;
- making a compressible second layer securedly united to the first layer to form a monoblock prefabricated construction element configured to be integrated in a section of the tunnel;
- the second layer being made from a material comprising granulates aggregated by a binder, and cavities sunk into the material, and
- wherein devices each having a solid body delineating at least one closed free space are sunk into the material.
1 more element
Dependencies are inferred from the claim text.