| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide such a building material of mortar, cement or the like as making an effective use of the waste separated from a foundry white sand which has a quality and/or easy handleability and is reusable quantitatively (in a large quantity), by using the waste separated from a foundry white sand having a definite quality and/or a particle diameter as a raw material for a building material such as mortar and cement. <P>SOLUTION: The building material such as mortar, cement or the like which makes an effective use of the waste separated from a foundry white sand is formed by using as the main raw material the waste separated from a foundry white sand which is a final waste in a casting manufacture, and by mixing it with slaked lime as the secondary material and with plaster as the tertiary material in stated amounts and by agitating and mixing the mixture under an ordinary temperature, bringing about the effective use of the waste separated from a foundry white sand and about the solution of the problem on the waste disposal. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
