Apparatus and process for casting large concrete boxes

Details Apparatus and process for casting large concrete boxes Apparatus and process for casting large concrete boxes

E - Fixed Constructions

04

G

E04G 11/02 (2006.01) B28B 1/32 (2006.01) B28B 7/22 (2006.01) E04B 1/16 (2006.01)

Patent

CA 2227258

A method of forming concrete integral box shaped modules provides dimensional accuracy and sustains closer tolerances thus permitting surfaces of adjacent modules to match. The method utilizes a standard fixed box frame with vertical walls that can be easily reset after forming a module. The method includes the steps of constructing a fixed box form with four vertical rectangular sides and a top horizontal surface, top trays extending out from top edges of the rectangular sides and bottom trays extending out from bottom edges. Corner fillers are placed in vertical corner spaces formed by the four vertical sides, steel mesh and rebar is laid on the vertical sides and in the trays, the trays are then filled with concrete and concrete is sprayed onto the vertical sides. The module is steamed to set the concrete, the trays are removed and the module is raised initially by jacking to release the module from the box form.

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