| 摘要 |
PROBLEM TO BE SOLVED: To provide a design method for a new mixing ratio of concrete including ground granulated blast-furnace slag and fly ash.SOLUTION: Mixing of fresh concrete, which includes cement, at least one of ground granulated blast-furnace slag and fly ash, water and a water-reducing agent, is determined. The unit water content of the fresh concrete and the amount of the water-reducing agent are determined on the basis of a ground granulated blast-furnace slag replacement ratio (BS) and a fly ash replacement ratio (FA). |
