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| 标题 |
| 预应力高性能混凝土梁中超细粉煤灰合理掺量研究(26 卷) |
| 英文标题 |
| Study on the Rational Replacement Level of Ultra-fine Fly Ash in Prestressed High Performance Concrete Beam |
| 摘要 |
| 对粉煤灰高性能混凝土的早期抗压强度、劈裂抗拉强度、早期弹性模量、钢筋握裹力、抗剪强度和徐变性能,超细粉煤灰的合理掺量和护筋性,高性能混凝土模型梁的疲劳性能等进行试验研究。结果表明:一定掺量的优质粉煤灰可改善混凝土的性能,降低结构的寿命周期成本;铁路预应力 |
| 作者 |
| 新闻作者:李益进, 周士琼, 尹健, 高英力 |
| 关键字 |