Concrete reinforcing composite material and concrete reinforcing rebar
AssigneeKabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
InventorsHisai Ueda, Kiyoshi Uzawa, Hiroki Matsumoto, Hiroshi Yamashita, Hideki Yutaka
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Abstract
Provided is a concrete reinforcing composite material that is impregnated with a thermoplastic resin having excellent alkali resistance and handleability. In a concrete reinforcing composite material 10, a core material 12 is formed from a fiber bundle of reinforcing fibers. The core material 12 is covered with a coating layer 14 made of a thermoplastic resin. The core material 12 is impregnated with the thermoplastic resin. The thickness of the coating layer 14 is 84 μm or more. The fiber volume content Vf of the core material 12 is 60% or more.
Claims7
A concrete reinforcing composite material, comprising:
- a core formed by a fiber bundle of reinforced fiber;
- and
- a coating layer of thermoplastic resin, the coating layer coating the core, wherein
- the core is impregnated with the thermoplastic resin, a thickness of the coating layer is not less than 84 μm, and a fiber volume content Vf of the core is not less than 60%.
Dependencies are inferred from the claim text.