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非饱和混凝土氯离子传输模型及特性分析

冯超 於德美 关博文 陈华鑫 申爱琴

硅酸盐通报2017,Vol.36Issue(1):8-13,6.
硅酸盐通报2017,Vol.36Issue(1):8-13,6.

非饱和混凝土氯离子传输模型及特性分析

Chloride Transport Model and Properties Analysis of Unsaturated Concrete

冯超 1於德美 2关博文 1陈华鑫 1申爱琴2

作者信息

  • 1. 长安大学材料科学与工程学院,西安 710061
  • 2. 长安大学公路学院,西安 710061
  • 折叠

摘要

Abstract

According to the chloride ion transmission mechanism, the chloride convection-diffusion control equation in unsaturated concrete was derived by considering the difference of moisture transmission the dry-wet alternate process. The results of model calculation have a good correlation with the measured results. The calculation results show that the free chloride ion concentration with increase with the increase of dry-wet cycles, the convection zone depth, surface chloride ion concentration and peak chlorine ion concentration increases with dry-wet cycles and gradually stabilized. The regression equations of each index were obtained.

关键词

非饱和混凝土/氯离子/对流区深度/表面氯离子浓度

Key words

unsaturated concrete/chloride/convection zone depth/surface chloride ion concentration

分类

交通工程

引用本文复制引用

冯超,於德美,关博文,陈华鑫,申爱琴..非饱和混凝土氯离子传输模型及特性分析[J].硅酸盐通报,2017,36(1):8-13,6.

基金项目

国家自然科学基金(51308062,51278059) (51308062,51278059)

硅酸盐通报

OA北大核心CSCDCSTPCD

1001-1625

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