This paper discusses the main content of the research on the structure durability of concrete and the new method to improve the structure durability.

阐述了混凝土结构耐久性研究的主要内容和提高混凝土结构耐久性的新方法。

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On the basis of experiment, the paper shows us the research of the mixture, mechanics and durability of HPC.

本文阐述了在试验的基础上用较低的水泥用量配制高性能混凝土的方法，并对其力学性能和耐久性进行了研究。

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From three aspects of the structure safety creditability, durability and economics, this paper presents the prosperous application future of fiber composite material used in infrastructure field.

本文从结构工程的安全可靠性、耐久性和经济性三方面说明纤维复合材料在基础设施工程领域有广阔的应用前景。

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