A two-dimensional numerical method is presented for predicting the chloride diffusion coefficient of cement paste.
提出了水泥石氯离子扩散系数预测的二维数值方法。
The calculation of chloride diffusion coefficient in prestressed concrete structures eroded by chloride ion is discussed.
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 effect of concrete carbonization degrees on chloride diffusion coefficient has been analyzed by rapid carbonization test and rapid permeability test;
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 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.
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。
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.
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。
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.
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。
Permeability of concrete and its correlation with chloride ion diffusion coefficient under different test conditions including water pressure method and tension method are studied.
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。
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.
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 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.
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%。
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