Role of self-curing mechanism in lightweight concrete: A state-of-the-art report

Q2 Engineering

International Review of Applied Sciences and Engineering Pub Date : 2023-11-14 DOI:10.1556/1848.2023.00695

Ganesan Sundaramoorthy, Palaniappan Meyyappan

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引用次数: 0

Abstract

Abstract Worldwide, precast and hybrid construction methods are becoming increasingly popular in the construction industry. But many problems occur during the fabrication, such as segregation, bleeding, scaling, plastic shrinkage, dust formation, honeycombing, sintering, high sorptivity, and high permeability and transportation. This problem may be caused by an ineffective curing process that affects the quality of concrete and construction. In addition, it provides inadequate and incomplete cement hydration that has a 20% negative effect on the desired properties of the concrete. Various researchers have demonstrated the components of self-curing lightweight concrete that can enhance strength and physicochemical properties, and address the above-mentioned issues. In this review, the role of the self-curing mechanism in lightweight concrete based on the various self-curing chemical admixtures such as polyethylene glycol (PEG), superabsorbent polymer (SAP), polyvinyl alcohol (PVA), sodium lignosulfonate and calcium lignosulfonate as self-curing agents are discussed in detail. Also, this paper briefly reports on the scope, significance, mechanisms, and tests for self-curing lightweight concrete. Overall, this review analyzes the possibilities of future research perspectives on self-curing lightweight concrete with sustainable materials and fibres with comparative technical information.

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自养护机制在轻量混凝土中的作用:最新的报告

在世界范围内，预制和混合施工方法在建筑行业中越来越受欢迎。但在制备过程中出现了离析、出液、结垢、塑性收缩、结尘、蜂窝、烧结、高吸附性、高渗透性、高输运性等问题。这个问题可能是由于养护过程无效，影响混凝土和施工质量造成的。此外，它提供了不充分和不完全的水泥水化，对混凝土的预期性能有20%的负面影响。各种研究人员已经展示了自养护轻质混凝土的成分，可以提高强度和物理化学性能，并解决了上述问题。本文详细讨论了以聚乙二醇(PEG)、高吸水性聚合物(SAP)、聚乙烯醇(PVA)、木质素磺酸钠和木质素磺酸钙等多种自养护化学外加剂为自养护剂的轻量化混凝土自养护机理。简要介绍了自养护轻量混凝土的范围、意义、机理和试验情况。总的来说，这篇综述分析了未来研究前景的可能性与可持续材料和纤维的自养护轻量混凝土的比较技术信息。

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来源期刊

International Review of Applied Sciences and Engineering Materials Science-Materials Science (miscellaneous)

CiteScore

2.30

自引率

0.00%

发文量

审稿时长

46 weeks

期刊介绍： International Review of Applied Sciences and Engineering is a peer reviewed journal. It offers a comprehensive range of articles on all aspects of engineering and applied sciences. It provides an international and interdisciplinary platform for the exchange of ideas between engineers, researchers and scholars within the academy and industry. It covers a wide range of application areas including architecture, building services and energetics, civil engineering, electrical engineering and mechatronics, environmental engineering, mechanical engineering, material sciences, applied informatics and management sciences. The aim of the Journal is to provide a location for reporting original research results having international focus with multidisciplinary content. The published papers provide solely new basic information for designers, scholars and developers working in the mentioned fields. The papers reflect the broad categories of interest in: optimisation, simulation, modelling, control techniques, monitoring, and development of new analysis methods, equipment and system conception.