| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an admixture for concrete that can improve the durability such as earthquake resistance, peeling resistance, distortion resistance and crack resistance in the concrete construction part.SOLUTION: Provided is: an admixture for concrete comprising microalgae-derived biomass; preferably an admixture for concrete characterized in said microalgae being Botryococcus genus; and more preferably an admixture for concrete characterized in said microalgae-derived biomass being Algaenan.</p> |
