1) initial chloride effective diffusion coefficient
自由氯离子初始有效扩散系数
2) chloride ion diffusion coefficient
氯离子扩散系数
1.
Rapid testing method for chloride ion diffusion coefficient of marine concrete saturated with seawater based on electrical resistivity measurement (Ⅱ):Experimental research;
基于饱海水电阻率的海工混凝土氯离子扩散系数测试方法试验研究
2.
Experimental research on marine concrete chloride ion diffusion coefficient;
海工混凝土氯离子扩散系数的试验研究
3.
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。
3) chloride diffusion coefficient
氯离子扩散系数
1.
A finite element method for predicting the chloride diffusion coefficient of cement paste;
水泥石氯离子扩散系数预测的有限元方法
2.
Researching the relationship of concrete s electric flux and chloride diffusion coefficient;
混凝土电通量与氯离子扩散系数关系研究
3.
Research on the issues about rapid chloride permeability test results and chloride diffusion coefficient of concrete;
混凝土电通量和氯离子扩散系数的若干问题研究
4) Chloride diffusivity
氯离子扩散系数
1.
It is very crucial to the durability design and assessment of reinforcedconcrete structures located in a marine or de-icing salt environment todetermine the chloride diffusivity of concrete and the time to surfacecracking.
确定混凝土氯离子扩散系数和表面开裂时间对海洋和除冰盐环境中钢筋混凝土结构耐久性设计和评估非常关键。
2.
Based on the experimental results, it is shown that dry-wet cycling has a negligible influence on the chloride diffusivity of concrete and that the chloride concentration in dry-wet cycling is always larger than that in natural cycling.
试验结果表明,干湿循环对混凝土氯离子扩散系数几乎没有影响,加速循环下的氯离子浓度高于自然循环下的氯离子浓度。
3.
Therefore, it is necessary to determine the chloride diffusivity of concrete by experiments and theoretical methods.
混凝土氯离子扩散系数是混凝土耐久性设计和评估的重要依据之一,因此,有必要通过实验和理论方法确定混凝土氯离子扩散系数。
5) apparent chloride diffusion coefficient
表观氯离子扩散系数
6) apparent diffusion coefficient of Cl-
氯离子表观扩散系数
1.
The electric flux and apparent diffusion coefficient of Cl-of this marine concrete added with those mineral additives were tested by experiments.
研究了矿粉、粉煤灰、硅灰等矿物外加剂对海工混凝土性能的影响,通过试验测定了掺复合胶凝材料的海工混凝土的电通量、氯离子表观扩散系数的变化规律,并对这种混凝土进行了恒电压钢筋锈蚀的试验,研究了矿物外加剂掺量与混凝土抗氯离子侵蚀性能的关系。
补充资料：有效扩散系数
分子式：
CAS号：
性质：有效扩散系数的意义与扩散系数相类似，只是对流体在多孔固体中的扩散而言。流体在多孔固体中扩散的通量方程可表示如下：NA=-DedCA/dr。NA为组分A的扩散通量；CA为组分A的浓度；r为扩散距离；De为有效扩散系数。由上式可知，De可定义为扩散通量NA与浓度梯度-dCA/dr之比，而与传递机理无关。
CAS号：
性质：有效扩散系数的意义与扩散系数相类似，只是对流体在多孔固体中的扩散而言。流体在多孔固体中扩散的通量方程可表示如下：NA=-DedCA/dr。NA为组分A的扩散通量；CA为组分A的浓度；r为扩散距离；De为有效扩散系数。由上式可知，De可定义为扩散通量NA与浓度梯度-dCA/dr之比，而与传递机理无关。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条