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首页> 外文期刊>The Journal of the Textile Institute >Impact of waste fibers on the mechanical performance of concrete composites
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Impact of waste fibers on the mechanical performance of concrete composites

机译：废纤维对混凝土复合材料力学性能的影响

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摘要

Concrete composite reinforced with fibers enhances strength at the micro level, to reduce cracks and to make it lighter in weight. Previous researchers used metallic, vegetable as well as synthetic fibers for this purpose. In the current study, waste synthetic fibers (glass, polyester, and polypropylene) were added in three different proportions (2%, 4%, and 6%) by the weight of cement. The aim was to investigate their effect on the mechanical properties of fiber reinforced concrete (FRC) and fiber reinforced mortar (FRM). After curing of samples for 28 days different mechanical testing (compressive strength, impact strength, and three-point bending strength) were conducted to compare their performance. From the results obtained it was concluded that the mechanical properties were improved by adding the synthetic fibers with different proportions. Glass fiber has the highest effect on the compressive strength of FRC followed by polypropylene and polyester fibers. 4% proportions of the fibers had better performance in mechanical properties of FRC than 2% and 6% in all the samples tested. Also, in flexural strength, the same trend was observed while in impact strength the polyester performs better than polypropylene. From the results, it was concluded that the glass fiber reinforced concrete has given the best performance with 4% fiber ratio in all aspects.
机译：用纤维增强混凝土复合材料增强了微观水平的强度，以减少裂缝并使其重量轻。以前的研究人员为此目的使用了金属，蔬菜和合成纤维。在目前的研究中，通过水泥的重量以三种不同的比例（2％，4％和6％）加入废合成纤维（玻璃，聚酯和聚丙烯）。目的是探讨它们对纤维钢筋混凝土（FRC）和纤维增强砂浆（FRM）的力学性能的影响。在固化样品28天后，进行不同的机械测试（抗压强度，冲击强度和三点弯曲强度）以比较它们的性能。从得到的结果中，得出结论，通过用不同比例加入合成纤维来改善机械性能。玻璃纤维对FRC的抗压强度具有最高的影响，然后是聚丙烯和聚酯纤维。在所有测试的所有样品中，4％的纤维的比例在Frc的机械性能下具有比2％和6％的性能更好。而且，在弯曲强度下，观察到相同的趋势，而在碰撞强度下，聚酯比聚丙烯更好。从结果中得出结论，玻璃纤维钢筋混凝土在各方面都具有4％的纤维比率最佳性能。

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