E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
E04C5/08—Members specially adapted to be used in prestressed constructions
E—FIXED CONSTRUCTIONS
E04—BUILDING
E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
E04C5/02—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance
E04C5/03—Reinforcing elements of metal, e.g. with non-structural coatings of low bending resistance with indentations, projections, ribs, or the like, for augmenting the adherence to the concrete