CONCRETE REINFORCING ELEMENTS AND REINFORCED COMPOSITE INCORPORATING SAME

摘要

1452303 Making reinforcement members; rolling AUSTRALIAN WIRE INDUSTRIES PTYLtd 27 Nov 1973 [28 Nov 1972] 55009/73 Headings B3A B3E and B3M [Also in Divisions E1 and C1] Short reinforcing fibres comprise a rectangular section shank of width between 0À010 and 0À060 ins. and thickness between 0À005 and 0À030 ins., each fibre being between “ and 3 ins. long and having enlarged end portions 2 of cross-sectional area between 1¢ times and six times that of the shank. The fibres may be formed by rolling a strip of material so as to have thickened edges and then shearing the strip transversely. The fibres may be of steel, glass, nylon, titanium, tungsten, copper, lead or aluminium and may be used in the reinforcement of a concrete, mortar, glass, plastics or ceramic matrix.