The damage of freezing and thawing of concrete structure in cold environment is an important content of durability design of concrete structure.
混凝土结构在严寒和寒冷环境中的冻融破坏是混凝土结构耐久性设计的重要内容。
After analyzing the trial data, it gives the reasonable mix proportions for enhancing apparent freezing and thawing resistance durability of concrete member.
通过对试验数据的整理分析，给出提高混凝土构件的表观抗冻耐久性的合理配合组成。
The corrosion of steel bar and the alternative freezing and thawing of concrete are the important effects on the durability of RC structures.
钢筋锈蚀和混凝土冻融循环是影响钢筋混凝土结构耐久性的重要因素。
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