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摘要：
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本试验研究成果表明:在混凝土中掺入粉煤灰后,其各项性能均可满足设计要求。尽管其前期强度稍低,但后期可超过基准,表现出较高的长期运行的强度、安全度。尤其是掺粉煤灰后,混凝土密实性有所提高,对防止钢筋锈蚀的保护效果好,并且抗冻性也与基准相当。
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The results obtained from present experimental studies showed that the concrete mixed with fly ash may meet all specifications required by the design. Although Its strength in early period would be a little bit lower, its strength in later period could exceed the criteria, implying the potential high degree of strength safety in long—term operation. It is essential that the density of the concrete will be increased after adding fly ash, which improves the corrosion resistance of its reinforcement, its frost—resistance is also commensurate with the criteria.
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