| 摘要 |
PROBLEM TO BE SOLVED: To provide a water permeable block which is reusing asbestos by making building material containing harmful asbestos and ash of incinerated sludge harmless. SOLUTION: The building material containing asbestos made up of a cement cured material mixed with asbestos made harmless by baking at a high temperature and a cured material of calcium silicate mixed with asbestos and the ash of incinerated sludge ash are made as a melting binder. Aggregates such as a molding binder, tile scrap, ceramics scrap, stone debris, quartz sand and fly ash, are mixed and baked, and thereby the water permeable block without harmful asbestos is manufactured. |
