Research On Concrete Bridge Design Based On Concrete Durability

The durability design of concrete-bridge structure is important portion of durability-concrete subject. The decline of function due to many durability problems and load fluctuation lead to the reduction of reliability-bridge. The reasons producing those problems are possibly the every section of the bridge construction such as design,construction and administration.The paper focuses on how to roundly consider the factors of concrete-durability during the design of bridge from the view of the designer. In this paper the design based on the durability was analyzed from three portions: the design of durable material,the durability calculation method of concrete bridge structure,the structure constitution means.Firstly, this paper summarizes the harvests about durable material study in building both here and board and use those in the bridge design. Secondly, on the foundation of country current bridge design method and the harvest about stuff degradation mechanism, there educed the formula of the durability design method of concrete bridge structure.Thirdly, all kinds of structure constitutions means in different conditions were analyzed. Lastly, this paper discussed how to constitute the special durability design file in bridge design file.The intent of this paper is using the harvests about durability problems into the concrete-bridge design, which profoundly have practicality. durability design calculate durability file...