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1)  chloride diffusion depth
氯离子扩散深度
1.
The influence of damage caused by freeze-thaw cycles on the performance of chloride diffusion of concrete is studied by the experiments of free chloride concentration titration and chloride diffusion depth.
通过自由氯离子滴定试验和氯离子扩散深度试验研究了冻融损伤对混凝土氯离子扩散性能的影响。
2)  chloride diffusion
氯离子扩散
1.
Two-dimensional finite element simulation for chloride diffusion in concrete;
混凝土中氯离子扩散的二维有限元法数值模拟
2.
A multi-mechanistic chloride diffusion and transport model and sensitivity study;
综合机制下氯离子扩散迁移模型及敏感性研究
3.
In order to know chloride diffusion characteristics well in concrete at tidal zone,chloride diffusion rules in concrete were studied under the effect of dry and wet alternation and flexural load.
试验结果表明:随着混凝土强度等级的提高,氯离子扩散性能降低;随着荷载水平的提高,受拉区混凝土抗氯离子侵蚀的能力降低,受压区混凝土抗氯离子侵蚀的能力有所提高;受拉区混凝土抗氯离子侵蚀能力明显低于受压区;无论承受受压荷载还是受拉荷载,随着时间的延长,氯离子在混凝土中的扩散系数均逐渐降低。
3)  chloride ion diffusion
氯离子扩散
1.
The results reveal that the anti-chloride ion diffusion and the anti-corrosion capacity of HPC are enhanced significantly compared with ordinary concrete.
利用人工气候室,对氯侵蚀环境下“双掺”高性能混凝土的耐久性进行了模拟实验研究,对比结果表明双掺高性能混凝土的抗氯离子扩散性能、抗钢筋锈蚀性能都比普通混凝土有较大提高。
4)  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。
5)  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
6)  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。
补充资料:离子交换膜扩散渗析
分子式:
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性质:离子交换膜扩散渗析是离子交换膜应用技术的一种。它是利用由渗析膜隔开的两室中溶液的浓差为推动力,使浓度高的物质透过膜扩散到浓度低的溶液中,以达到物质的分离与回收。例如,在钢铁厂酸洗废液中含有大量硫酸和硫酸亚铁,经扩散渗析后,可回收其中70%~95%的硫酸。渗析后残液中含有硫酸亚铁进一步回收利用,作水处理絮凝沉降剂用。一般用阴离子交换膜渗析回收废液中的酸,用阳离子交换膜回收碱。目前扩散渗析主要用于废酸液的处理回收。

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