| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a low hexavalent chromium grout which can decrease the amount of hexavalent chromium eluted therefrom, is excellent in permeation properties, and decreases the amount of hexavalent chromium eluted from a fine-particle cement excellent in strength development. SOLUTION: This grout comprises a fine-particle cement, a fine-particle slag, and calcium aluminate and may further contain a reducing agent.</p> |
