• Freezing and thawing test shows that the figuration and cross-section of cement-based materials (paste, mortar and concrete) are different after they damage because of their different pore structures.

    冻融循环试验表明由于净浆砂浆混凝土这三水泥基材料孔结构不同,使得破坏时的外观和断面形状各相同

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  • 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.

    阐述混凝土冻融破坏原因机理,并通过实验验证混凝土抗冻性能的影响

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  • The results show that the model of damage evolution is suitable for that four types of concrete of our test conditions, and it can characterize their freezing-thawing damage evolution process better.

    试验结果表明,本文所选择混凝土损伤演变模型可以较好的表征条件下上述混凝土的冻融损伤演变过程

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  • In this article, it has made a research of the quality of an early-stage setting ordinary concrete undergoing a freezing test or repeated freezing and thawing test.

    本文研究普通混凝土在硬化初期受到一次冻结反复冻融后对质量影响。

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  • The experimental study of plain concrete test cubes and a few prismoids, both of what classified to four ranks, suffering 0, 25, 50, 75,100 and 125 cycles of freezing and thawing were carried out.

    对经过02550、75、100、125次冻融循环四个不同等级普通混凝土立方体少部分棱柱体试块进行试验研究

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  • The experimental study of plain concrete test cubes and a few prismoids, both of what classified to four ranks, suffering 0, 25, 50, 75,100 and 125 cycles of freezing and thawing were carried out.

    对经过02550、75、100、125次冻融循环四个不同等级普通混凝土立方体少部分棱柱体试块进行试验研究

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