| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a technique for effectively utilizing unused crushed stone fine powders which are discharged in a large amount at a quarry and the like, and easily manufacturing various solidified products with low alkalinity. <P>SOLUTION: A method for solidifying a solidified product of crushed stone fine powders is provided in which normal portland cement and magnesium hydroxide or volcanic glass fine powders are added to the crushed stone fine powders, water is then added thereto and the resulting mixture is kneaded, and then molded and cured to solidify the crushed stone fine powders, or in which waste glass fine powders are added to the crushed stone fine powders, and the mixture is then fired at a temperature in a range of 800 to 1,000°C to solidify the crushed stone fine powders, wherein organic powders such as crushed bamboo fine powders, sawdusts and hull powders are mixed within a range of 2 to 5% by mass and solidified, and bentonite is further added thereto, water is then added and the resulting mixture is kneaded, molded, dried and then fired to solidify the crushed stone fine powders. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
