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通过对两座旧桥用 GFRP加固的研究 ,从裂纹疲劳断裂角度定性探讨了 GFRP加固旧桥的作用机理 ,同时对疲劳裂纹的发生、扩展机理进行分析。
Through the study of GFRP reinforcement of two old bridges, the mechanism of GFRP reinforced old bridge is qualitatively discussed from the point of view of fatigue crack initiation, and the occurrence and expansion mechanism of fatigue cracks are also analyzed.