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首页> 外文期刊>Construction and Building Materials >Evaluation of the mechanical properties and durability of cement mortars containing nanosilica and rice husk ash under chloride ion penetration
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Evaluation of the mechanical properties and durability of cement mortars containing nanosilica and rice husk ash under chloride ion penetration

机译：氯离子渗透下含纳米二氧化硅和稻壳灰的水泥砂浆的力学性能和耐久性评估

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摘要

In this study, the influence of nanosilica hydrosols and rice husk ash (RHA) on the compressive strength, chloride permeability, electrical resistivity and capillary absorption of single and binary blended mortars was investigated. Results showed that the incorporation of nanosilica improved mortar performance, while RHA did not have a significant influence and mainly attributed to lower strength and durability at early ages. It was found that the addition of RHA in mixes containing nanosilica, dramatically decreased compressive strength at ages of 3 and 7 days. However, binary mixtures displayed the best results for strength development and durability at ages of 28 and 90 days. (C) 2015 Elsevier Ltd. All rights reserved.
机译：在这项研究中，研究了纳米二氧化硅溶胶和稻壳灰（RHA）对单一和二元混合砂浆的抗压强度，氯化物渗透性，电阻率和毛细吸收的影响。结果表明，纳米二氧化硅的掺入改善了砂浆的性能，而RHA的影响不大，主要归因于其早期强度和耐久性的降低。发现在含有纳米二氧化硅的混合物中添加RHA会显着降低3天和7天龄的抗压强度。但是，二元混合物在28天和90天的使用期限内显示出最佳的强度发展和耐久性结果。 （C）2015 Elsevier Ltd.保留所有权利。

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