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首页> 外文期刊>Journal of industrial and engineering chemistry >In situ monitoring of pore structure of magnesium oxysulfate cement paste: Effect of MgSO4/H2O ratio
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In situ monitoring of pore structure of magnesium oxysulfate cement paste: Effect of MgSO4/H2O ratio

机译:原位监测氧硫酸镁水泥浆料的孔隙结构:MgSO4 / H2O比的影响

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摘要

This work systematically presented the pore structure evolution of different magnesium oxysulfate (MOS) cement pastes by non-contact impedance measurement (NCIM), fractal theory and other microstructural experiments. According to the evolution of electrical impedance response, three hydration stages (dissolution, acceleration and hardened stages) can be identified in the pastes. Furthermore, based on the results obtained from NCIM and fractal theory, the porosity, incremental pore volume, pore tortuosity, average pore diameter and maximal pore diameter of MOS cement pastes are investigated. The influence of MgSO4/H2O ratio on pore structure of MOS cement paste is primarily explained. It can be inferred from predicted and experimental results that NCIM is a good method to analyze the microstructure evolution of MOS cement pastes in-situ. (C) 2019 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
机译:通过非接触阻抗测量(NCIM),分形理论和其他微结构实验,这项工作系统地呈现了不同氧硫酸盐(MOS)水泥糊的孔结构演变。 根据电阻抗反应的演变,可以在糊状物中鉴定三个水合阶段(溶解,加速和硬化阶段)。 此外,研究了从NCIM和分形理论获得的结果,研究了MOS水泥浆料的孔隙率,增量孔体积,孔隙曲折,平均孔径和最大孔径。 主要解释了MgSO4 / H2O比对MOS水泥浆料孔结构的影响。 可以从预测和实验结果推断,NCIM是分析原位上MOS水泥浆料的微观结构演变的好方法。 (c)2019年韩国工程化学学会。 elsevier b.v出版。保留所有权利。

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