|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2011年08 期
| 标题 |
| 纳米碳酸钙对钢纤维混凝土物理力学性能的影响(51 卷) |
| 英文标题 |
| Influence of Nano-CaCO3 on physico-mechanical performance of steel fiber reinforced concrete |
| 摘要 |
| 试验研究了不同掺量纳米CaCO3对钢纤维混凝土物理力学性能的影响，并采用XRD和SEM微观手段对其改善机理进行了分析。试验结果表明，适量的纳米碳酸钙可以改善钢纤维混凝土的和易性，提高混凝土各个龄期的抗折和抗压强度。在掺有1.5%体积掺量的螺旋状的钢纤维混凝土中，纳米碳酸 |
| 作者 |
| 新闻作者:杨 杉,籍凤秋 |
| 关键字 |
