| 摘要 |
PROBLEM TO BE SOLVED: To provide high-strength fiber-reinforced mortar by which a light-weight and high-strength fiber-reinforced hardened mortar having high strength can be manufactured while cost reduction is achieved.SOLUTION: Powder, which contains ordinary cement by 30 to 40 wt.%, pozzolanic fine powder by 10 to 15 wt.%, fine aggregate of grain diameter 0.1 to 1.0 mm by 45 to 55 wt.%, and chemical admixture by 0.55 to 0.65 wt.%, is allowed to contain water by 10 to 12% at a weight ratio to the powder and kneaded, and a curved fiber piece 2 which is formed in a curved shape by using metal fiber having a diameter of 0.15 to 0.3 mm and tensile strength of 2000 to 3500 N/mmis kneaded by 1.5 to 2.0% at a volume ratio to the powder. A length L1 of a straight line connecting both ends 3,3 of the curved fiber piece 2 is set to 10 to 20 mm, and a maximum depth L2 of the curved fiber piece with respect to the straight line is set to 0.5 to 1.5 mm. |
