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文中介绍美国在进行桥梁上部结构补强时采用的非传统材料———纤维增强混凝土。这种材料具有高强、质轻、耐腐蚀等特性。列举了四个实例 ,以说明这种材料在组合桥面板中的应用
This article describes the non-traditional materials used by the United States in the reinforcement of the superstructure of bridges --- fiber reinforced concrete. This material has high strength, light weight, corrosion resistance and other characteristics. Four examples are given to illustrate the use of this material in a composite deck