使用河砂以及不同尺寸和比例的钢纤维和尼龙纤维浇筑混凝土的实验研究

Muhammad Adnan, Aqeel Ahmed, Zaheer Ahmed, Naveed Anjum, Munaza Komal, Khalid Hussain
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摘要

本研究论文介绍了一项实验研究的结果,该研究旨在探讨不同尺寸和比例的钢纤维和尼龙纤维对混凝土机械性能和耐久性能的影响。这项研究的目的是通过钢纤维和尼龙纤维这两种不同的纤维类型,探索纤维加固对混凝土性能的潜在提升作用。研究人员设计了一套全面的测试程序,包括多种纤维组合,以评估它们对混凝土性能的单独和组合影响。混凝土试样是通过在混凝土混合物中加入不同尺寸(长度和直径)和比例(体积百分比)的钢纤维和尼龙纤维制备而成的。评估了机械性能,包括抗压强度、抗拉强度和抗折强度,以确定纤维加固对混凝土承载能力和抗开裂能力的影响。此外,还对耐久性能、氯离子渗透性和耐磨性进行了评估,以了解混凝土在不利环境条件下的长期性能改善潜力。实验结果表明,与传统的混凝土混合料相比,纤维增强混凝土的机械性能和耐久性能有很大不同。钢纤维在提高混凝土的承载能力和延展性方面表现出色,尤其是在纤维比例较高的情况下。另一方面,尼龙纤维表现出卓越的耐磨性,有助于提高耐久性。值得注意的是,钢纤维和尼龙纤维表现出协同效应,从而平衡地提高了机械性能和耐久性能。总之,这项研究为了解在混凝土中加入钢纤维和尼龙纤维的益处提供了宝贵的见解,为优化材料的整体性能提供了一种有效的方法,适用于各种工程应用。这项研究的成果可以作为开发更具弹性和可持续性的混凝土结构的基础,这些结构可以承受恶劣的环境条件,并有助于建筑实践的进步。为了全面了解纤维增强混凝土在实际工程应用中的可行性,建议进一步探索纤维增强混凝土的长期行为和成本效益。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An Experiment Study of Concrete Caste with River Sand and with Varying Sizes and Percentages of Steel and Nylon Fibers
This research paper presents the findings of an experimental study conducted to investigate the influence of varying sizes and percentages of steel and nylon fibers on the mechanical and durability properties of concrete. The objective of this study was to explore the potential enhancements in concrete performance through fiber reinforcement, considering the two distinct fiber types - steel and nylon. A comprehensive testing program was devised, encompassing a wide range of fiber combinations to assess their individual and combined effects on concrete properties. The concrete specimens were prepared by incorporating different sizes (length and diameter) and proportions (percentage by volume) of steel and nylon fibers into the concrete mix. Mechanical properties, including compressive strength, tensile strength, and flexural strength, were evaluated to determine the impact of fiber reinforcement on the concrete's load-bearing capacity and resistance to cracking. Additionally, the durability properties, chloride ion penetration, and abrasion resistance, were assessed to understand the potential improvement in the concrete's long-term performance under adverse environmental conditions. The experimental results revealed significant variations in the mechanical and durability properties of the fiber-reinforced concrete compared to the conventional concrete mix. Steel fibers demonstrated superior performance in enhancing the concrete's load-carrying capacity and ductility, especially at higher percentages. On the other hand, nylon fibers exhibited exceptional resistance to and abrasion, contributing to improved durability. Notably, the steel and nylon fibers exhibited synergistic effects, leading to a balanced enhancement of mechanical and durability properties. In conclusion, this study provides valuable insights into the benefits of incorporating steel and nylon fibers in concrete, offering an effective means of optimizing the material's overall performance for diverse engineering applications. The results from this research can serve as a basis for developing more resilient and sustainable concrete structures, which can withstand harsh environmental conditions and contribute to the advancement of construction practices. Further exploration into the long-term behavior and cost-effectiveness of fiber-reinforced concrete is recommended for a comprehensive understanding of its feasibility in practical engineering applications.
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