黄欧禄，董欧曹，惠欧申，强如欧工，岳欧照，程欧燕，SP - 6029047 VL - 2020 AB -纤维聚合物已被广泛用于改善混凝土的力学性能和耐久性。然而，纤维聚合物对再生骨料混凝土(RAC)动态性能影响的研究还很有限。在本研究中，我们准备了两种类型的RAC配方:研究了玄武岩纤维(BFs)增强RAC和聚丙烯纤维(PPs)增强RAC，并比较了纤维种类和纤维含量对空气空隙率、和易性(坍落度)、力学性能(抗压强度和抗弯强度)、动态特性(动态弹性模量和阻尼比)的影响。RAC的抗氯离子性能。试验结果表明，随着RCA置换率和纤维含量的增加，气孔含量和坍落度值降低。与BFs相比，添加PPs对RAC的衰退有更大的负面影响。含0.2% PPs和BFs的混合物抗弯强度最高。PPs对RAC阻尼比的提高效果优于bf, 0.3% PPs和bf的混合物阻尼比最高。 Compared to the RAC without addition of fiber, the charge passed of specimen with addition of PPs approximately increased by 45%, while the specimen with addition of BFs approximately increased by 30%, when the fiber content was 0.3%. This study demonstrates the potential of using fiber to promote the dynamic properties of RAC. SN - 0730-6679 UR - https://doi.org/10.1155/2020/6029047 DO - 10.1155/2020/6029047 JF - Advances in Polymer Technology PB - Hindawi KW - ER -