【摘 要】
：
In bridge engineering,deck joints are always causing certain degrees of maintenance problem and may be a source of structural deterioration resulting in a major bridge maintenance problem.Expansion jo
【机 构】
：
University of Maryland,College Park,MD,USA Nanjin
【出 处】
：
The 7th International Conference on Bridge Maintenance, Safe
论文部分内容阅读
In bridge engineering,deck joints are always causing certain degrees of maintenance problem and may be a source of structural deterioration resulting in a major bridge maintenance problem.Expansion joints in bridge decks can be avoided by providing deck slab continuity at intermediate bents or piers.With or without expansionj oints,the structures must be designed to accommodate the movements,or to resist the stresses,due to factors such as: temperature,elastic shortening,creep,and shrinkage.
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