EXPERIMENTAL INVESTIGATION OF CONCRETE WITH RECYCLED TYRE-RUBBER WASTE AS FINE AGGREGATE MATERIAL

IF 0.6 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materiali in tehnologije Pub Date : 2022-10-06 DOI:10.17222/mit.2022.585

Renuka Senthil Muthalvan, Mervin Sanjith Innocent Prasanna

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Abstract

Waste tyre-rubber disposal is a serious global problem, posing a severe danger to the environment. This present study aims to investigate the performance of concrete utilizing recycled tyre-rubber waste as a partial replacement for natural fine aggregate. Three different sizes of crumb rubber were combined to produce a well-graded sample. Based on various trials, mixed proportions of M30 grade concrete and the crumb rubber replacement percentages were determined. The test specimens were prepared. Experimental investigations have been carried out to study the mechanical, durability and temperature properties of the developed Crumb rubber concrete (CRC). In this study, crumb rubber replaced the fine aggregate in various percentages, such as (0, 5, 7.5, 10 and 15) %. Microstructural analysis was also carried out with EDX and scanning electron microscopy (SEM) to visualize the performance of rubber with CSH gel under different temperature conditions. The study found that (CRC5) a 5 % replacement of crumb rubber is the optimum percentage to replace the natural fine aggregate to develop the crumb rubber concrete. The durability tests concluded that the proposed model of rubberized concrete is suitable for any structural elements exposed to acidic environmental conditions.

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再生轮胎橡胶废料为细骨料混凝土的试验研究

废旧轮胎橡胶的处理是一个严重的全球性问题，对环境造成严重危害。本研究旨在探讨再生轮胎橡胶废料部分替代天然细骨料的混凝土性能。将三种不同尺寸的橡胶屑混合在一起，制成了分级良好的样品。在各种试验的基础上，确定了M30级混凝土的配合比和橡胶屑替代率。制备了试验试样。对研制的橡胶颗粒混凝土(CRC)的力学性能、耐久性和温度性能进行了试验研究。在本研究中，橡胶颗粒以不同的比例(0、5、7.5、10、15)%代替细骨料。利用EDX和扫描电镜(SEM)对CSH凝胶在不同温度条件下的性能进行了微观分析。研究发现，CRC5替代天然细骨料5%是发展橡胶粉混凝土的最佳配比。耐久性试验表明，所提出的橡胶混凝土模型适用于任何暴露于酸性环境条件下的结构构件。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Materiali in tehnologije 工程技术-材料科学：综合

CiteScore

1.30

自引率

0.00%

发文量

审稿时长

4-8 weeks

期刊介绍： The journal MATERIALI IN TEHNOLOGIJE/MATERIALS AND TECHNOLOGY is a scientific journal, devoted to original papers and review scientific papers concerned with the areas of fundamental and applied science and technology. Topics of particular interest include metallic materials, inorganic materials, polymers, vacuum technique and lately nanomaterials.