A state-of-the-art review of research on the use of calcined bauxite aggregate in civil engineering

IF 6.5 2区工程技术 Q1 CONSTRUCTION & BUILDING TECHNOLOGY

Case Studies in Construction Materials Pub Date : 2025-01-02 DOI:10.1016/j.cscm.2024.e04188

Yalin Liu , Chengze Li , Ya Wei , Linbing Wang

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引用次数: 0

Abstract

Calcined bauxite (CB) aggregate is characterized by high strength, hardness, and high abrasion resistance. It has promising application value in the field of civil engineering with special functional needs. This study describes in detail the macroscopic and microscopic properties of CB aggregates, analyzes and summarizes the current research status of CB aggregates in many aspects: 1) review the technique related to the manufacture of ultra-high performance concrete (UHPC) with CB aggregate, and systematically explain its mechanism in affecting the mechanical properties of UHPC; 2) clarify the potential and advantage of CB aggregates as internal curing agents, and elaborate the shrinkage reduction mechanism and the influence law when used in UHPC; 3) summarize the evaluation index system of CB aggregate in abrasion and skid resistance of pavement materials, as well as introduce related research and engineering applications of high friction surface treatment; 4) discuss the advantages of CB aggregate in preparation of high-impact resistant cementitious materials and its influence mechanism. Finally, this study analyzes the characteristics and problems of applications of CB aggregate in different civil engineering fields and puts forward suggestions related to the follow-up research, which can help to promote CB aggregate from material research to engineering application and provide new ideas for related materials and engineering design.

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煅烧铝土矿骨料在土木工程中的应用研究进展

煅烧铝土矿（CB）骨料具有高强度、高硬度和高耐磨性的特点。在具有特殊功能需求的土木工程领域具有广阔的应用价值。本研究详细介绍了炭黑骨料的宏观和微观性能，从多个方面对炭黑骨料的研究现状进行了分析和总结：1)综述了炭黑骨料制备超高性能混凝土（UHPC）的相关技术，系统阐述了其影响UHPC力学性能的机理；2)明确了CB骨料作为内固化剂的潜力和优势，阐述了在UHPC中使用时的收缩机理和影响规律；3)总结了CB骨料在路面材料耐磨性和防滑性方面的评价指标体系，介绍了高摩擦表面处理的相关研究和工程应用；4)探讨了炭黑骨料在制备高抗冲击胶凝材料中的优势及其影响机理。最后，分析了CB骨料在不同土木工程领域的应用特点及存在的问题，并提出了后续研究的相关建议，有助于将CB骨料从材料研究推进到工程应用，为相关材料和工程设计提供新的思路。

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

Case Studies in Construction Materials Multiple-

CiteScore

7.60

自引率

19.40%

发文量

842

审稿时长

63 days

期刊介绍： Case Studies in Construction Materials provides a forum for the rapid publication of short, structured Case Studies on construction materials. In addition, the journal also publishes related Short Communications, Full length research article and Comprehensive review papers (by invitation). The journal will provide an essential compendium of case studies for practicing engineers, designers, researchers and other practitioners who are interested in all aspects construction materials. The journal will publish new and novel case studies, but will also provide a forum for the publication of high quality descriptions of classic construction material problems and solutions.