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。
The effect of corrosion on bond between reinforcement and concrete has become the priority research area for the durability of rc structures.
锈蚀对钢筋与混凝土粘结性能的影响已成为混凝土结构耐久性研究的重要内容。
The abrasion is a particular manner on destruction of concrete pavement and also is an important aspect at concrete durability research.
磨损是水泥混凝土路面特有的劣化现象，也是混凝土耐久性研究的一个重要方面。
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。
Durability of concrete incorporating high fly ash content is expounded on basis of the case of overseas research and the mechanism of improving durability is also researched into.
根据国外研究情况，综述高掺量粉煤灰混凝土的耐久性及改善耐久性的机理。
Self-Compacted Concrete made with high adding quantity of composite admixture was achieved and the research on its durability was made.
研究了高掺量复合矿物掺合料配制的自密实混凝土的耐久性。
Also, in the cold region sea and so on, natural environment is extremely bad condition, the durability of the concrete structure is other important research topic.
又，在寒冷地域的海上等自然环境相当恶劣条件下混凝土结构的耐久性问题是另外一个重要研究题目。
Research purposes: According to the characteristics of passenger dedicated railway line on conformation, load, durability, inspection function and appearance, the reasonable abutment is designed.
研究目的：根据时速客运专线铁路在构造、受力、耐久性、检查功能及美观等方面的特点，设计出合理、适用的桥台。
Research conclusions: the rectangular hollow abutment and the t figure hollow abutment meet the requirement of passenger dedicated railway line on conformation, load, durability and function.
研究结论：矩形空心桥台、T形空心桥台在构造、受力、耐久性、功能上均能满足客运专线铁路的要求。
On the basis of analyse of the invalidation cause of bar grate, the material research to increase the durability had been carried through.
在分析烧结机台车炉篦条失效原因的基础上，进行了提高它们使用寿命的材质研究。
Testing and analysis research on fillets of bathtub joint show that the durability design approach based on probabilistic fracture mechanics is applicable to fillets.
通过对浴缸式接头圆角耐久性试验及分析研究，证明基于概率断裂力学的耐久性设计方法对圆角也是适用的。
On the basis of research achievement, a new design method on durability of concrete structure, which is used to check the durability ultimate state, is suggested in the article.
在分析已有研究成果的基础上，提出一种对耐久性极限状态进行验算的混凝土结构耐久性设计方法。
From the research work, a proposal on rearranging the anchorages is presented, insuring safety and durability of the bridge during construction and operation and bringing a good economic benefit.
并在此基础上提出了改进布锚的建议，确保了该桥施工、运营的安全及耐久性，带来了良好的经济效益。
The engineering properties and durability of sand with shell could satisfy the requirements of foundation based on the research results.
研究结果表明贝壳砂的工程特性与耐久性满足工程对地基的要求，为贝壳砂的工程应用提供了技术依据。
The engineering properties and durability of sand with shell could satisfy the requirements of foundation based on the research results.
研究结果表明贝壳砂的工程特性与耐久性满足工程对地基的要求，为贝壳砂的工程应用提供了技术依据。
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