Arched structures and method for the construction of same

E - Fixed Constructions – 04 – B

Patent

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Details

E04B 1/32 (2006.01) E01D 4/00 (2006.01) E01F 5/00 (2006.01) E21D 11/18 (2006.01)

Patent

CA 2708610

A first voussoir for use in an arched structure includes an intrados surface and an extrados surface, each of these surfaces extending between first and second end bearing surfaces. The first end bearing surface includes a protrusion which extends from the surface, and which is mateable with a corresponding recess in an abutting end bearing surface of an adjacent second voussoir. The second end bearing surface includes a recess in the surface which is mateable with a corresponding protrusion in an abutting end bearing surface of an adjacent third voussoir. A first connector is secured to the first voussoir in or at its extrados surface for connecting one end of a first lifting cable to the first voussoir. A second connector is secured to the first voussoir in or at its first end bearing surface for connecting one end of a second lifting cable to the first voussoir.

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