Experimental study on repair of fatigue cracks at welded web gusset joint using CFRP strips

• Published in: Thin-walled structures Vol. 47; no. 10; pp. 1059 - 1068
• Main Authors: Nakamura, Hitoshi, Jiang, Wei, Suzuki, Hiroyuki, Maeda, Ken-ichi, Irube, Takao
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01.10.2009
• Subjects: Carbon fiber reinforced polymer strip; Drill-hole; Fatigue crack; Lamination; Repair; Welded joint; Carbon fiber reinforced polymer strip; Lamination; Welded joint; Repair; Drill-hole; Fatigue crack

This paper presents repair methods of fatigue cracks using CFRP strips. In particular, the subject of repair is fatigue cracks initiated at welded web gusset joints, which are the typical details in steel bridges. Several repair methods were investigated experimentally focusing on weld details. In a...