Analysis of mechanical properties in self-compacting concrete enhanced with steel fibres

IF 1.5 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Micro & Nano Letters Pub Date : 2024-06-25 DOI:10.1049/mna2.12203

Mukilan Karuppasamy, Baranitharan Balakrishnan, Karthik Chandran, Mehdi Gheisari, Payam Porkar Rezaeiye, Boris Andrievsky

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Abstract

This study explores the effect of incorporating steel fibres and fly ash into self-compacting concrete (SCC) in various combinations on its mechanical properties. The study begins with thoroughly investigating the fresh properties to ensure compliance with SCC standards when adding steel fibres. Subsequently, mixes that meet SCC standards are evaluated for their mechanical properties. The study aims to enhance the mechanical properties of SCC while maintaining its flowability, filling ability, and passing ability. The research findings provide valuable insights into the optimal combination of steel fibres and fly ash for improving the mechanical properties of SCC. The addition of hooked end type steel fibres increases the compressive strength. When compared to crimped type the mechanical properties increased to 14.4%; however, the strength decreases beyond 1% of steel fibres. Satisfactory results are obtained for fresh properties test.

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使用钢纤维增强自密实混凝土的力学性能分析

本研究探讨了在自密实混凝土（SCC）中加入不同组合的钢纤维和粉煤灰对其机械性能的影响。研究首先对新拌混凝土的性能进行全面调查，以确保在添加钢纤维时符合自密实混凝土标准。随后，对符合 SCC 标准的混合料的机械性能进行评估。该研究旨在提高 SCC 的机械性能，同时保持其流动性、填充能力和通过能力。研究结果为改善 SCC 机械性能的钢纤维和粉煤灰最佳组合提供了有价值的见解。添加钩端型钢纤维可提高抗压强度。与卷曲型钢纤维相比，机械性能提高了 14.4%；然而，钢纤维含量超过 1%，强度就会下降。新鲜性能测试结果令人满意。

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来源期刊

Micro & Nano Letters 工程技术-材料科学：综合

CiteScore

3.30

自引率

0.00%

发文量

审稿时长

2.8 months

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