碳化对胶凝材料中氯离子输运参数的影响

I. Yoon, Chun-Lai Chang, Jin-Won Nam
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引用次数: 3

摘要

许多研究只分别研究了碳酸化和氯离子渗透,而研究这两者之间的协同作用的研究非常罕见。本研究致力于检验碳化胶凝材料的氯离子渗透参数,即(a)表面氯离子含量,(b)氯离子扩散率,(c)氯离子吸附能力和(d)与钢筋腐蚀直接相关的临界氯离子含量。这些氯化物输送参数在每种条件下都表示为时间的函数,因为这些参数取决于混合比例特性和水泥水化程度。这项研究有望对未来开发碳酸混凝土的氯离子渗透模型有所帮助。
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Effect of carbonation on chloride transportation parameters in cementitious materials
ABSTRACT Many studies have only studied carbonation and chloride penetration separately, and study dealt with synergy interaction between these is very rare. This study is devoted to examining the chloride penetration parameters of carbonated cementitious materials, i.e. (a) surface chloride content, (b) chloride diffusivity, (c) chloride adsorption capacity and (d) critical chloride content linked with reinforcement corrosion directly. These chloride transportation parameters were expressed as a function of time in each condition because these depend on the mixing proportional properties and the degree of cement hydration. This study is expected to be useful to develop a chloride penetration model of carbonated concrete in the future.
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来源期刊
CiteScore
3.90
自引率
9.50%
发文量
24
期刊最新文献
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