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IMPROVED CONCRETE REINFORCING ELEMENTS AND REINFORCED COMPOSITE INCORPORATING SAME AND AN APPARATUS FOR FORMING REINFORCING FIBRES
IMPROVED CONCRETE REINFORCING ELEMENTS AND REINFORCED COMPOSITE INCORPORATING SAME AND AN APPARATUS FOR FORMING REINFORCING FIBRES
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机译:改进的混凝土增强元件和增强的复合掺入材料以及用于形成增强纤维的装置
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摘要
This specification discloses a method of and apparatus for forming concrete reinforcing elements having enlarged ends and also discloses a reinforced composite incorporating such elements. In one embodiment the enlarged ends are formed by folding the edges of a strip of sheet metal onto itself while in another form the enlarged ends are formed by edge rolling a strip. In both cases the reinforcing element is formed by transversely shearing the strip after its edge has been modified. The reinforcing elements as described above are shown to have a greater pull-out resistance than plain elements.
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