Abstract
Strengthening of steel structures with adhesively bonded carbon fiber-reinforced polymer (CFRP) plates has received extensive attentions in recent years. Since galvanic corrosion occurs between CFRP and the steel, glass fiber fabrics (GFF) are generally applied as an isolation layer. The present paper studied the effects of GFF on the bonding performances (such as ultimate strength and bond-slip relationship) between the CFRP and steel substrates. A series of pull-off tests were performed with variables of the thickness of the GFF layer. The testing results shows that the failure mode is the CFRP plate delamination failure, rather than cohesive failure. Based on this failure mode, the bondslip relationship curves is also trapezoidal shape for ductile adhesive and the thickness of the GFF isolation layer has no influence on the bonding performances.
| Original language | English |
|---|---|
| State | Published - 2015 |
| Event | Joint Conference of the 12th International Symposium on Fiber Reinforced Polymers for Reinforced Concrete Structures, FRPRCS 2015 and the 5th Asia-Pacific Conference on Fiber Reinforced Polymers in Structures, APFIS 2015 - Nanjing, China Duration: 14 Dec 2015 → 16 Dec 2015 |
Conference
| Conference | Joint Conference of the 12th International Symposium on Fiber Reinforced Polymers for Reinforced Concrete Structures, FRPRCS 2015 and the 5th Asia-Pacific Conference on Fiber Reinforced Polymers in Structures, APFIS 2015 |
|---|---|
| Country/Territory | China |
| City | Nanjing |
| Period | 14/12/15 → 16/12/15 |
Keywords
- CFRP-to-steel bonded joints
- Delamination failure
- GFF isolation
- Galvanic corrosion
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