| 水胶比对混凝土渗透性能的影响研究 |
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| 引用本文： | 董作超,安新正.水胶比对混凝土渗透性能的影响研究[J].平顶山工学院学报,2009,18(6). |
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| 作者姓名： | 董作超 安新正 |
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| 作者单位： | 1. 江苏科技大学土木工程与建筑学院,江苏,镇江,212003
2. 中国矿业大学(北京)力学与建筑工程学院,北京,100083 |
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| 摘 要： | 配制四组不同混凝土配合比的试件,采用基于离子扩散和电迁移提出的NEL法对饱盐混凝土试件的氯离子扩散系数进行测定.通过对试件渗透试验结果的分析,得出了高强度等级、添加矿物掺合料的、较低水胶比的混凝土抗渗性能好的结论.验证了水胶比对高性能混凝土渗透性也基本存在着线性关系.
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| 关 键 词： | 水胶比 氯离子扩散系数 NEL法 渗透性能 |
Research of impact of water-binder ratio on permeability of concrete |
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| DONG Zuo-chao,AN Xin-zheng.Research of impact of water-binder ratio on permeability of concrete[J].Journal of Pingdingshan Institute of Technology,2009,18(6). |
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| Authors: | DONG Zuo-chao AN Xin-zheng |
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| Affiliation: | DONG Zuo-chao1,AN Xin-zheng2 (1.School of Civil Engineering & Architecture,Jiangsu University of Science , Technology,Zhenjiang 212003,China,2.School of Mechanics & Civil Engineering,China University of Mining & Technology,Beijing 100083,China) |
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| Abstract: | In this paper,four different ratio groups of concrete specimens are tested,using NEL method which is based on ion diffusion and electrical migration.The chloride ion diffusion coefficients of the salt-saturated concrete specimens are determined.Through the analysis of the permeability test results,it is concluded that high-strength grade,added the mineral admixture,the lower water-cement ratio of concrete's impermeability performance is better.The linear relationship between water-cement ratio and high-perf... |
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| Keywords: | water-binder ratio chloride ion diffusion coefficient NEL permeability |
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