| 摘要 |
PURPOSE:To prevent the deterioration of the strength of a molded product even when slag, fly ash and silica fume as industrial by-products are used in large quantities by blending cement with the by-products. CONSTITUTION:1 pt.wt. cement such as common Portland cement or high early strength cement is blended with 4-6.5 pts.wt. slag, 1-2.5 pts.wt. fly ash and 0.4-1 pt.wt. silica fume or lightweight aggregate such as perlite and reinforcing fibers such as glass fibers or pulp are further added as required to obtain a hydraulic compsn. |
