水泥细度对混凝土氯离子扩散系数影响不大；
The cement fineness has no influence on the diffusion coefficient of chlorideion in concrete.
氯离子扩散系数随着冻融循环次数的增加而增加。
The chloride concentration and diffusion coefficients increase with Numbers of freezing-thawing cycles.
提出了水泥石氯离子扩散系数预测的二维数值方法。
A two-dimensional numerical method is presented for predicting the chloride diffusion coefficient of cement paste.
作为一个应用，本文计算了混凝土截面上各点的氯离子扩散系数。
As an application, the calculation result of chloride diffusivity at any point in a concrete cross section is presented.
针对氯盐侵蚀的预应力混凝土结构，讨论了氯离子扩散系数的计算。
The calculation of chloride diffusion coefficient in prestressed concrete structures eroded by chloride ion is discussed.
混凝土的氯离子扩散系数是预测混凝土中钢筋锈蚀及结构耐久性的重要参数。
The chloride diffusion coefficient of a concrete is an important parameter in predicting the corrosion of steel in a concrete and the durability of the structures.
建立了考虑氯离子扩散系数空间差异性和时间依赖性的基于可靠度的寿命预测模型。
The life prediction model under chloride ion environment was set up in considering differences in space and time-dependent of the chloride ion diffusion coefficient.
在长期海水侵蚀下，掺粉煤灰混凝土的氢氧离子扩散系数的氯离子扩散系数亦均远小于基准混凝土。
On the condition of long time seawater corrosion, the hydroxide ion diffusion coefficient and the chlorion diffusion coefficient of fly ash concrete are far smaller than th...
本课题主要研究混凝土在水压法及张力法试验条件下水在混凝土中的渗透行为以及同氯离子扩散系数相关性。
Permeability of concrete and its correlation with chloride ion diffusion coefficient under different test conditions including water pressure method and tension method are studied.
通过大量试验，系统研究了人工砂高性能混凝土的耐久性，对抗渗性、抗冻性、氯离子扩散系数等项目进行了测试。
Through a great deal of experiments, the durability of HPC with artificial sand are studied systematically. Impermeability, freezing resistance and chloride ion diffusion are tested.
介绍了一种由混凝土组成材料预测其氯离子扩散系数的经验计算公式，指出应用中注意的问题，并讨论了主要影响因素。
This paper provides an equation to estimate the chloride diffusion coefficient from concrete mixture proportions, points out the problems in applications and discusses some influential factors.
进行了室内混凝土快速碳化试验和氯离子快速渗透试验。通过试验，研究了混凝土不同碳化程度对氯离子扩散系数的影响。
The effect of concrete carbonization degrees on chloride diffusion coefficient has been analyzed by rapid carbonization test and rapid permeability test;
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。
In this paper, four different ratio groups of concrete specimens are tested, using NEL method which is based on ion diffusion and electrical migration.
通过测试胶凝材料水化热、混凝土的坍落度和氯离子扩散系数、抗裂等级等性能，对C40海工混凝土的配合比进行了优化设计。
The mixture ratio of C40 Marine high performance concrete is optimized through test of the hydration heat of binding material, slump, chloride ion diffusion coefficient, anti-crack rand of concrete.
但传统的计算氯离子扩散系数的方法比较繁琐而且误差较大，本文将传统的计算模型进行了转化，给出一种简单且更加合理的计算方法。
The traditional models for calculating the diffusion coefficients are inconvenient and with much error. In this paper, a new model is set up, which makes the calculation of thed…
电渗法的实验结果与试件的氯离子有效扩散系数之间具有良好的相关性。
A good relation exists between the results of electro-osmosis testing and effective diffusion coefficients.
GBC混凝土比普通混凝土具有更强的抗氯离子扩散性能，其水溶性氯离子有效扩散系数只有普通混凝土的17%。
The effective diffusion coefficient of water-solubility chloride ion in GBC concrete is 17% of that in the OPC.
GBC混凝土比普通混凝土具有更强的抗氯离子扩散性能，其水溶性氯离子有效扩散系数只有普通混凝土的17%。
The effective diffusion coefficient of water-solubility chloride ion in GBC concrete is 17% of that in the OPC.
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