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水泥基材料裂隙表面离子吸附过程

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Abstract:

研究了溶液在水泥基材料裂隙流动过程中开裂表面对离子的吸附特性,建立了裂隙表面对溶液离子的非瞬态吸附模型;利用浸泡法和裂隙渗流装置对试件的静态和动态吸附行为进行研究,用理论模型对试验结果回归,得到了描述静态和动态离子吸附行为的特征参数。结果表明在静态溶液中裂隙表面对离子的吸附能力远大于在动态溶液中的吸附能力;裂隙表面溶液的流动显著减少了材料表面离子吸附层的厚度,进而减小了表面离子吸附量。

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