Abstract
Pure adhesive bond of FRP to concrete is not only weak but also unpredictable in a long term. This problem can be effectively overcome by a newly developed bond enhancement system - the hybrid bonded FRP system (HB-FRP) - in which small mechanical fasteners are used to augment the bond. In this paper, experimental testing and theoretical modeling are reported for characterization of the interfacial bond of the HB-FRP system. Local bond-slip model involving adhesive and mechanical mechanisms is proposed. Based on the basic bond-slip model, load-slip response, ultimate bond strength, and effective bond length of the HB-FRP bond interface are obtained by analytical or numerical solution. Good agreement between the analytical and experimental results indicates that the proposed bond-slip model can well predict bond behaviors of HB-FRP joints.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 6th International Conference on FRP Composites in Civil Engineering, CICE 2012 |
| Publisher | International Institute for FRP in Construction (IIFC) |
| Publication status | Published - 2012 |
| Event | 6th International Conference on FRP Composites in Civil Engineering (CICE 2012) - Rome, Italy Duration: 13 Jun 2012 → 15 Jun 2012 |
Conference
| Conference | 6th International Conference on FRP Composites in Civil Engineering (CICE 2012) |
|---|---|
| Place | Italy |
| City | Rome |
| Period | 13/06/12 → 15/06/12 |
Research Keywords
- Bond
- Bond-slip relationship
- FRP
- Mechanical fastening
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