| 摘要 |
PROBLEM TO BE SOLVED: To provide a steel slag grain easy in handling and storage at a yard or the like using equipment such as a belt conveyor and a track, in which hydration expansion is hard to occur, and being suitably usable as a fine aggregate, steel slag containing the steel slag grain, and a method for producing the same.SOLUTION: Provided is a steel slag grain having a surface shape in which a part of a closed curved surface is made into a fracture face, and 10 to 90% of the surface area is composed of curved face.SELECTED DRAWING: None |
