(57) Described herein are a spiral reinforcement structure for concrete elements (1),
such as concrete beams or columns, comprising a continuous metal wire or bar (4-7)
bent into a number of spirally arranged consecutive windings (4, 5 and 6) with a spacing
(d) in the longitudinal direction of the structure, and a method for manufacturing
a combined reinforcement mesh (2-7, 2'-7').
According to the structure, the planes of the windings (4, 5 and 6) are substantially
perpendicular to the longitudinal direction of the structure, and progress in said
longitudinal direction from one winding (4, 5) to the next (6) takes place within
a limited distance (7) of each winding at the same side of the structure. The method
comprises insterting structures (4-7 and 4'-7') of the above kind laterally inside
each other from a side at least partially opposite said side where the limited distance
(7. 7') is situated and fastening the structures with one another.
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