| 摘要 |
<p>Provided is a cement-based matrix having early initial strength development, low heat of hydration, and low shrinkage during curing, while maintaining fluidity when fresh. A cement-based matrix characterized by containing 100 parts by weight of Portland cement, 5-30 parts by weight of silica fume, 5-25 parts by weight of limestone powder, 30-80 parts by weight of blast furnace slag powder and/or fly ash, at least one type of mixing agent, water, and 70-150 parts by weight of aggregate particles having a maximum aggregate particle diameter of 1.2-3.5 mm.</p> |
