【摘要】 复合材料是桥梁工程中的先进材料，本文介绍了它们在已有桥梁结构的加固和斜拉人行桥中的应用，以及纤维增强塑料（ＦＲＰ）力筋在混凝土桥中的应用情况。最后，本文还展望了复合材料在大跨度斜拉桥中的应用前景。更多还原

【Abstract】 Composite materials are advanced materials in bridge engineering, their application in strenghtening existing bridge structure and FRP cable stayed foot bridge and the situation of FRP reinforcement used in concrete bridges are introduced in this paper. Finally, the prospect of composite materials utilized in great span cable stayed bridges is predicted.更多还原