| 摘要 |
<p>A cement composition is provided to reduce a construction period and a construction cost even while displaying an esthetic sense of exposure concrete. A cement composition includes 20-40wt% of calcium sulfoaluminate, 5-20wt% of natural anhydrite having a fineness of 2,000 cm^2/g, 5-20wt% of serpentine containing large amounts of MgO and Fe2O3, 5-20wt% of silica fume having a fineness of 20,000 cm^2/g, 5-10wt% of quicklime, and 5-10wt% of silica flour. An exposure concrete type panel is manufactured by kneading the cement composition with water to curing-mold the kneaded material into a panel.</p> |
