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 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 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 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 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。
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