工艺与制造英文2021被引 28
纤维增强复合材料（FRP）桥梁的维护与检测方法：综述
Maintenance and Inspection of Fiber-Reinforced Polymer (FRP) Bridges: A Review of Methods
Long Tang · Xi'an Jiaotong University
摘要整理
纤维增强复合材料（FRP）由高强度连续纤维和树脂基体组成，其中纤维嵌入树脂基质中。随着FRP生产技术的进步，FRP相比混凝土和钢铁等传统建筑材料具有诸多不可比拟的优势，在混凝土结构的加固和改造中发挥重要作用。FRP桥梁已广泛应用于高速公路、铁路和城市街道的立交桥中。然而，由于长期静载和动载作用，FRP桥梁不可避免地会产生损伤。桥梁的健康状态至关重要。本文综述了FRP桥梁结构的维护与检测方法，分析了各种方法的优势、不足和成本。研究结果表明，应采用两类方法的顺序组合：首先采用目视检测、敲击法和拖链法等简易方法判断潜在损伤，其次采用射线检测、模态分析和荷载试验等方法确定损伤模式和程度。FRP的应用远超桥梁的改造、加固和新建范畴，这些检测维护方法应能有效应用于其他FRP结构的维护和检测。
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