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Architecture, Structures and Construction Pub Date : 2025-03-28 DOI:10.1007/s44150-025-00143-5

Bedar Rauf Hassan, Hemn Unis Ahmed, Rabar H.Faraj, Rozhno Omer Mustafa, Bakhan Rasool, Sana Ari, Beryan Burhan

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引用次数: 0

摘要

使用从工业包装废弃物中提取的回收带状塑料纤维是一种可持续的方法，既能增强混凝土的机械性能，又能解决环境问题。本研究评估了从工业包装废弃物中提取的回收聚对苯二甲酸乙二酯（PET）带状纤维在混凝土混合物中的应用效果。共制备了七组试样：一组为不含纤维的对照组，六组为使用长径比为 12.5 和 25 的纤维进行增强的组。每个纤维增强组又分为体积分数为 0.5%、0.75% 和 1%的子组。通过非破坏性测试、密度测定以及抗压强度、抗拉强度和弹性模量的破坏性测试，对其机械性能进行了研究。结果表明，在提高机械性能方面，较短的纤维（长宽比 12.5）比较长的纤维性能更好，其中 0.75% 的纤维体积分数被认为是最佳的。压缩强度、劈裂拉伸强度和弯曲强度分别提高了约 35%、16% 和 26%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Main mechanical properties of recycled plastic strap fiber reinforced concrete based on destructive and non-destructive tests

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Main mechanical properties of recycled plastic strap fiber reinforced concrete based on destructive and non-destructive tests

The use of recycled strap plastic fibers, derived from industrial packaging waste, offers a sustainable approach to enhancing the mechanical properties of concrete while addressing environmental concerns. This study evaluated the effectiveness of recycled polyethylene terephthalate (PET) strap fibers, sourced from industrial packaging waste, in concrete mixes. Seven groups of specimens were prepared: one control group without fibers and six groups reinforced with fibers of aspect ratios 12.5 and 25. Each fiber-reinforced group was further divided into subgroups with volume fractions of 0.5%, 0.75%, and 1%. Mechanical properties were investigated using non-destructive tests, density measurements, and destructive tests for compressive strength, tensile strength, and modulus of elasticity. The results demonstrated that shorter fibers (aspect ratio 12.5) performed better than longer ones in enhancing mechanical properties, with 0.75% fiber volume fraction identified as optimal. Improvements of approximately 35%, 16%, and 26% were observed in compressive strength, splitting tensile strength, and flexural strength, respectively.

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来源期刊

Architecture, Structures and Construction

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