| 摘要 |
PROBLEM TO BE SOLVED: To provide a method capable of manufacturing a concrete product wherein ceramic fiber such as carbon fiber and the like as an additive is uniformly dispersed and a strength is increased. SOLUTION: Environment at a low temperature within a range from about 15 to about -100 deg.C is prepared in a batcher for kneading concrete while a low temperature fluid is supplied, and ceramic fiber such as carbon fiber and the like and cement are kneaded in low temperature environment. |
