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glass fiber reinforced concrete
Glass fiber reinforced concrete, also known as GFRC or GRC, is a type of fiber-reinforced concrete. Glass fiber concretes are mainly used in exterior building façade panels and as architectural precast concrete. Somewhat similar materials are fiber cement siding and cement boards.
==Composition==
Glass fiber-reinforced concrete consists of high-strength glass fiber embedded in a cementitious matrix.〔 〕 In this form, both fibers and matrix retain their physical and chemical identities, while offering a synergism: a combination of properties that cannot be achieved with either of the components acting alone. In general, fibers are the principal load-carrying members, while the surrounding matrix keeps them in the desired locations and orientation, acting as a load transfer medium between the fibers and protecting them from environmental damage. In fact, the fibers provide reinforcement for the matrix and other useful functions in fiber-reinforced composite materials. Glass fibers can be incorporated into a matrix either in continuous or discontinuous (chopped) lengths.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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