| 摘要 |
PURPOSE: A manufacturing method of a permeable block is provided to prevent underground water and a river from being contaminated by manufacturing a permeable block using natural materials. CONSTITUTION: A manufacturing method of a permeable block is as follows. Aggregate(10) is washed. The washed aggregate is dried. A polyurethane solution(20) is produced by mixing a first material(21) made of polyol and a second material(22) made of isocyanate. A block material is manufactured by mixing and stirring the polyurethane solution with the dried aggregate. The manufactured block material is put into a shaping mold. The put block material is cured. |
