通过设计的人工气候环境下的混凝土侵蚀试验,分析了24、40、80、120、160 d腐蚀后混凝土的氯离子侵蚀特性,并基于Fick第二定律进行了混凝土扩散参数的拟合。结论表明:人工气候环境下氯离子对混凝土的侵蚀有自然环境下侵蚀的特点,并可得到的扩散系数随时间的关系。
According to the erosion test for concrete diffusion under designed manual climate environment,characteristics of erosion and diffu-sion of chloride ions in test concrete after 24,40,80,120,160 d are studied,and the diffusion parameters are analyzed on the basis of Fick's second law.The experimental and analysis results show that there are obvious characteristics of erosion under manual climate environment to similar to that in the natural environment,and the relationship between diffusion coefficient and erosion time can be also analyzed.