Durability and microstructure analysis of concrete made with volcanic ash: A review (Part II)

IF 1.9 4区 材料科学 Q3 Materials Science Science and Engineering of Composite Materials Pub Date : 2023-01-01 DOI:10.1515/secm-2022-0211
J. Ahmad, Fadi Althoey, M. Abuhussain, A. Deifalla, Y. Özkılıç, C. Rahmawati
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Abstract

Abstract Concrete is the most frequently employed man-made material in modern building construction. Nevertheless, the serviceability of concrete structures has been significantly reduced owing to a variety of durability issues, especially when serving in a non-ideal environment and exposed to internal/external attacks such as chloride penetration, carbonation, sulfate, and so on. Several scholars have performed numerous studies on the strength and microstructure features of volcanic ash (VA) concrete and have discovered encouraging findings. However, since the information is spread, readers find it difficult to evaluate the benefits of VA-based concrete, limiting its applicability. As a result, a detailed study is required that offers the reader an easy approach and highlights all essential facts. The goal of this article (Part Ц) is to conduct a compressive review of the physical and chemical aspects of VA and its impact on concrete durability and microstructure properties. The findings demonstrate that VA considerably improves concrete durability owing to pozzolanic reaction and micro-filling voids in concrete materials. Cost–benefit analysis shows that 10% utilization of VA as cement decreased the overall cost by 30%. The assessment also notes a research gap that must be filled before VA may be utilized in practice.
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火山灰混凝土耐久性和微观结构分析综述(下)
摘要混凝土是现代建筑施工中最常用的人造材料。然而,由于各种耐久性问题,混凝土结构的可用性已显著降低,尤其是在非理想环境中使用,并暴露于氯化物渗透、碳酸化、硫酸盐等内部/外部侵蚀时。一些学者对火山灰(VA)混凝土的强度和微观结构特征进行了大量研究,并发现了令人鼓舞的发现。然而,由于信息的传播,读者发现很难评估基于VA的混凝土的效益,限制了其适用性。因此,需要进行详细的研究,为读者提供一种简单的方法,并突出所有基本事实。本文(第Ц部分)的目标是对VA的物理和化学方面及其对混凝土耐久性和微观结构性能的影响进行压缩审查。研究结果表明,由于火山灰反应和混凝土材料中的微填充空隙,VA显著提高了混凝土的耐久性。成本效益分析表明,10%的VA水泥利用率使总成本降低了30%。评估还指出,在将VA用于实践之前,必须填补研究空白。
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来源期刊
Science and Engineering of Composite Materials
Science and Engineering of Composite Materials 工程技术-材料科学:复合
CiteScore
3.10
自引率
5.30%
发文量
0
审稿时长
4 months
期刊介绍: Science and Engineering of Composite Materials is a quarterly publication which provides a forum for discussion of all aspects related to the structure and performance under simulated and actual service conditions of composites. The publication covers a variety of subjects, such as macro and micro and nano structure of materials, their mechanics and nanomechanics, the interphase, physical and chemical aging, fatigue, environmental interactions, and process modeling. The interdisciplinary character of the subject as well as the possible development and use of composites for novel and specific applications receives special attention.
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