Experiment research shows that fiber is efficient means to enhance the impact resistance of concrete.
试验研究表明在混凝土中添加纤维是提高混凝土抗冲击性能的有效途径。
Large diameter synthetic fiber reinforced concrete was made for measuring the properties of fresh concrete mixture and the impact resistance of the hardened samples.
对掺入大直径合成纤维后的混凝土拌和物性能以及混凝土硬化试件的抗冲击性能进行了试验研究。
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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