The results show it is notable that the damage affects on the chloride diffusion of concrete.
结果表明,冻融损伤对混凝土氯离子扩散性能的影响是显著的。
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 free chloride concentration distributing in concrete of simulant chloride environment is analyzed, that is chloride diffusion behavior.
分析了模拟氯盐环境中混凝土内部的自由氯离子浓度分布规律,即氯离子的扩散行为。
The effect of exotic environment such as salt solution type and freeze-thaw cycles on chloride diffusion in concreteies was studied by experiment.
通过试验研究了盐溶液类型及冻融循环等外部环境对混凝土中氯离子扩散性能的影响。
Furthermore, the service life of CRC structures in chloride environment was evaluated theoretically by adopting the chloride diffusion model in concrete.
此外,基于现有混凝土氯离子扩散模型对CRC结构在氯离子环境下的使用寿命进行了理论评估。
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。
It is shown from the site data test that the chloride diffusion model of reinforced concrete member considering loading effect is reasonable and applicable.
多组现场实测数据检验表明,建立的考虑荷载影响的氯离子扩散模型是合理的,具有较好的适用性与实用性。
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 flow of chloride ions in the concrete of dry-wet cycling region is the combining of diffusion and advection.
在干湿交替区域混凝土中氯离子的输运属于在孔隙非饱和状态下离子浓度扩散和对流耦合的渗透。
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。
Poisson's distribution combined with Fick's diffusion law is used to describe chloride ions' invasion and the corresponding formula are presented.
尝试运用结合费克扩散定律的泊松分布来描述氯离子侵蚀现象,给出了相应的公式。
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.
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。
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 chloride concentration and diffusion coefficients increase with Numbers of freezing-thawing cycles.
氯离子扩散系数随着冻融循环次数的增加而增加。
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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