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首页> 外文期刊>International Journal of Electrochemical Science >Strength, Rapid Chloride Penetration and Microstructure Study of Cement Mortar Incorporating Micro and Nano Silica
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Strength, Rapid Chloride Penetration and Microstructure Study of Cement Mortar Incorporating Micro and Nano Silica

机译：掺纳米和纳米二氧化硅的水泥砂浆的强度，快速氯离子渗透和微观结构研究

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摘要

This paper presents the strength, rapid chloride penetration and microstructure study of cement mortarincorporating micro-silica (MS), nano-silica (NS) and micro-silica with optimized content of nano- silica (MS+NS) as a partial replacement of cement. The hardened properties of the mortar such ascompressive strength and split tensile strength of all the specimens has been determined at the age of28, 56, 90 and 180 days. Quadratic model and ANOVA analysis has been carried out to determine theoptimized content of NS. Further, durability properties of all the specimens have also been determinedin terms of carbonation test. The microstructure of the specimens has been determined by SEM-EDXstudies. The results reveal the enhanced strength, durability and improved microstructure of mortarspecimens with proper combination of micro and nano silica resulting in better performance ascompared to conventional specimens.
机译：本文介绍了结合了微硅（MS），纳米硅（NS）和微硅的水泥砂浆的强度，快速的氯化物渗透性和微观结构的研究，其中纳米硅（MS + NS）的含量最佳，从而可以部分替代水泥。在28、56、90和180天的使用年限已确定了砂浆的硬化性能，例如所有样品的抗压强度和抗拉强度。已经进行了二次模型和ANOVA分析，以确定NS的最佳含量。此外，还根据碳化试验确定了所有样品的耐久性能。样品的微观结构已经通过SEM-EDX研究确定。结果表明，通过将微和纳米二氧化硅适当组合，可以提高砂浆试样的强度，耐久性和微观结构，从而与常规试样相比具有更好的性能。

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