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基于多离子传输的混凝土细微观尺度多相数值模拟
作者:刘清风 
单位:(上海交通大学海洋工程国家重点实验室 上海 200240 高新船舶与深海开发装备协同创新中心 上海 200240) 
关键词:多离子 多相模型 混凝土 氯离子 骨料形状 电化学耦合 “双多”模型 
分类号:TU528
出版年,卷(期):页码:2018,46(8):1074-1080
DOI:
摘要:
基于严格的Gaussian静电理论和对多相结构的参数控制,考虑多种离子间电化学耦合效应和骨料、界面过渡区的不同形状及体积分数,在细微观尺度下建立多离子传输多相数值模型。通过求解质量守恒方程和Poisson方程,探明多离子的时空分布规律。综合考虑外加电场、离子间相互作用、混凝土的各向异性、骨料-砂浆界面过渡区和离子吸附结合效应等因素的影响,揭示了多离子传输与单一离子传输间的差异,以及多种曲折度效应之间的增益效果和影响程度。
基金项目:
作者简介:
参考文献:
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