In chloride environment, drying-wetting zones in concrete structures are key regions for durability design and assessment.
在氯盐环境中，干湿交替区域是混凝土结构耐久性设计最为关键的区域。
High performance concrete (HPC) is new high-tech concrete, which is on the basis of improving of the property and aimed at the durability design.
高性能混凝土是在大幅度提高普通强度混凝土性能的基础上以耐久性设计作为主要指针的一种新型高技术混凝土。
In this article, author shows the methods of improving durability of concrete structure from surrounding, design, materials and construction.
从环境、设计、材料和施工四方面介绍了提高混凝土结构耐久性的方法。
The damage of freezing and thawing of concrete structure in cold environment is an important content of durability design of concrete structure.
混凝土结构在严寒和寒冷环境中的冻融破坏是混凝土结构耐久性设计的重要内容。
The durability design of the concrete structure should be done according to the environment types and the designed serviceable life.
混凝土结构的耐久性设计应根据环境类别和设计使用年限进行设计。
In this paper, the factors affecting the bridge concrete durability and the design methods for improving the concrete durability are expounded.
详细说明了影响桥梁混凝土耐久性的因素及如何通过设计提高混凝土的耐久性。
Fly ash high-performance concrete regard durability as main goal go on design mix Congeal the soil.
粉煤灰高性能混凝土是以耐久性为主要目标进行设计的混凝土。
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。
Using modern concrete technology process and the composition of materials by scientific selection and design of concrete mix to obtain good durability, high strength, and high-performance concrete.
使用现代混凝土技术工艺，通过科学选择混凝土组成材料与设计配合比，获得耐久性好、强度高的高性能混凝土。
Crack width is a most significant parameter for the durability assessment and design of reinforced concrete structures.
锈胀裂缝宽度是混凝土结构耐久性与设计评估的重要参数。
Finally, the quantitative design method for the freeze proof durability of concrete is suggested, according to the present condition of the country.
根据我国的实际情况，初步探讨混凝土抗冻性定量化设计的方法。
The importance, ultimate principle and qualitative design method for the durability design of concrete structures were emphasized.
强调了混凝土结构耐久性设计的重要性、基本原理及定性设计方法。
How to prolong the service life of steel reinforced concrete structures located in a chloride-laden environment has become a main objective of the durability design of concrete.
如何延长氯盐环境中钢筋混凝土结构的使用寿命已经成为混凝土耐久性设计的主要目标。
So it is important to the reinforced concrete structures exposed in salt environment and subjected to freezing and thawing cycles for the durability design.
所以，对于盐环境中经受冻融循环作用的钢筋混凝土结构，加强其耐久性设计非常重要。
Abstract: the environmental effects are analyzed and the secondary lining concrete durability is studied in the design for Qingdao Metro Line 3.
摘要：分析了青岛地铁3号线所在地域的环境作用，并对地铁二次衬砌混凝土的耐久性进行研究。
According to the geography climate in Shandong province, an engineering construction standard "Design Regulation for Durability of Concrete Structures" is compiled in Shandong province.
针对山东省的地理气候及环境特点，编制了工程建设标准《混凝土结构耐久性设计规程》。
According to the geography climate in Shandong province, an engineering construction standard "Design Regulation for Durability of Concrete Structures" is compiled in Shandong province.
针对山东省的地理气候及环境特点，编制了工程建设标准《混凝土结构耐久性设计规程》。
应用推荐