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Abstract

A woody group material and cement are combined to form a construction material. The material has an aggregate of finely split pieces formed by splitting wood, bamboo or the like in a fiber direction. The split pieces are formed in one or more layers and are surrounded by, and buried in, a mortar. A construction material can be provided which is fire resistant and has a strength comparable to a lumbered product such as wood material obtained by cutting raw wood. The finely split pieces of wood, bamboo or the like are very strong and tough because they closely adhere to the mortar. Moreover, it is possible to use a fiber structure of raw material. Since the finely split pieces can use a small diameter wood, lumbering byproducts, and other waste material, it is possible to achieve effective use of forest resources and low manufacturing costs. Further, the product can realize various strength and fire resistance properties for applications as a wall material or other structural material by changing the sort of finely split pieces, shape and size, and mortar ratio. The product can therefore be tailored to meet various construction needs.

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First Claim