Structural performance of sustainable concrete columns using industrial wastes and natural fibres

IF 12.7 1区材料科学 Q1 ENGINEERING, MULTIDISCIPLINARY

Composites Part B: Engineering Pub Date : 2025-07-20 DOI:10.1016/j.compositesb.2025.112832

A. Manikandan , K. Murali

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Abstract

Sustainable construction is crucial to mitigating the environmental impact of resource depletion, especially the excessive use of natural river sand. This study investigates the feasibility of using industrial by-products, Waste Foundry Sand (WFS) and Manufactured Sand (M-sand), as partial replacements for fine aggregate in concrete. The experimental program involved replacing fine aggregate with WFS at 0 % and 70 %, and M-sand at 30 % and 100 %, along with 10 % metakaolin as a cement substitute and a constant 0.5 % addition of banana fibre. The resulting concrete mixtures' mechanical and structural performance was assessed. Among the combinations, the F70S30MB mix, comprising 70 % WFS, 30 % M-sand, 10 % metakaolin, and 0.5 % banana fibre, demonstrated comparable properties to conventional concrete. The findings suggest that integrating WFS, M-sand, metakaolin, and banana fibre contributes to sustainable concrete production without compromising performance, offering an environmentally responsible solution for the construction industry.

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使用工业废料和天然纤维的可持续混凝土柱的结构性能

可持续建设对于缓解资源枯竭，特别是天然河砂的过度使用对环境的影响至关重要。本研究探讨了利用工业副产品，废铸造砂（WFS）和人造砂（m砂）作为混凝土中细骨料的部分替代品的可行性。实验方案包括用0%和70%的WFS， 30%和100%的m砂代替细骨料，同时加入10%的偏高岭土作为水泥替代品，并添加0.5%的香蕉纤维。并对混合混凝土的力学性能和结构性能进行了评价。其中，由70% WFS、30% m砂、10%偏高岭土和0.5%香蕉纤维组成的F70S30MB混合料的性能与传统混凝土相当。研究结果表明，将WFS、m砂、偏高岭土和香蕉纤维相结合，有助于在不影响性能的情况下实现可持续的混凝土生产，为建筑行业提供了一种对环境负责的解决方案。

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

Composites Part B: Engineering 工程技术-材料科学：复合

CiteScore

24.40

自引率

11.50%

发文量

784

审稿时长

21 days

期刊介绍： Composites Part B: Engineering is a journal that publishes impactful research of high quality on composite materials. This research is supported by fundamental mechanics and materials science and engineering approaches. The targeted research can cover a wide range of length scales, ranging from nano to micro and meso, and even to the full product and structure level. The journal specifically focuses on engineering applications that involve high performance composites. These applications can range from low volume and high cost to high volume and low cost composite development. The main goal of the journal is to provide a platform for the prompt publication of original and high quality research. The emphasis is on design, development, modeling, validation, and manufacturing of engineering details and concepts. The journal welcomes both basic research papers and proposals for review articles. Authors are encouraged to address challenges across various application areas. These areas include, but are not limited to, aerospace, automotive, and other surface transportation. The journal also covers energy-related applications, with a focus on renewable energy. Other application areas include infrastructure, off-shore and maritime projects, health care technology, and recreational products.