This paper expounds origin and mechanism of concrete of freezing and thawing destroy. The test result validates that silicon powder have great impact on concrete frost resistance.
阐述了混凝土冻融破坏的原因、机理，并通过实验验证了硅粉对混凝土抗冻性能的影响。
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The test results indicated that the durability of freezing-thawing resistance of concrete will be improved remarkably by adding layer hybr…