Construction of annular walls

E - Fixed Constructions – 04 – G

Patent

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Details

E04G 11/20 (2006.01) E04C 5/18 (2006.01) E04G 11/06 (2006.01) E04G 11/34 (2006.01) E04H 7/18 (2006.01) E04H 7/26 (2006.01)

Patent

CA 2115241

2115241 9304247 PCTABS00020 In one aspect the present invention provides an apparatus and a method for constructing an annular wall (10), for example a cylindrical concrete water tank, the apparatus comprising a mould (26) attached to a support assembly (20) mounted on a pivot (16). The mould (26) being rotatable about the pivot (16) in a substantially horizontal plane. In use, the mould (26) is positioned at selected angular locations and a hardenable composition is applied to the mould surface (28) to form the wall. In another aspect a frame arrangement is provided for use in the construction of a reinforced wall (10), the arrangement comprising a plurality of substantially upright supports (37), a first layer of reinforcement (40a) secured to the supports (37) and a second layer of reinforcement (40b) secured to the truss members (38) such that the second layer (40b) is generally parallel to, but laterally spaced from, the first layer of reinforcement.

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