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| Naji, M. |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Azevedo, Nuno Monteiro |
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Reis, Jml
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Publications (9/9 displayed)
- 2020Displacement rate effect in the fracture toughness of glass fiber reinforced polyurethanecitations
- 2006Freeze-thaw and thermal degradation influence on the fracture properties of carbon and glass fiber reinforced polymer concretecitations
- 2006Influence of thermal cycles on the fracture properties of fiber reinforced polymer concrete
- 2004A contribution to the study of the fracture energy of polymer concrete and fibre reinforced polymer concretecitations
- 2004Assessment of fracture properties of epoxy polymer concrete reinforced with short carbon and glass fiberscitations
- 2004Fracture energy of polymer concrete reinforced with short carbon and glass fibers
- 2003Fracture behavior of glass fiber reinforced polymer concretecitations
- 2003The influence of notch depth on the fracture mechanics properties of polymer concretecitations
- 2003A NDT assessment of fracture mechanics properties of fiber reinforced polymer concretecitations
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article
Freeze-thaw and thermal degradation influence on the fracture properties of carbon and glass fiber reinforced polymer concrete
Abstract
In recent years, it has been found that some concrete structures, even for some high performance concrete and ready mixed concrete under good quality control, start to deteriorate long before reaching their designed service life. Cracks are found after the structure has been completed for a few years, which results in the shortening of service life and lowering in durability. In this paper, the influence on the fracture properties of fiber reinforced polymer concrete, FRPC, subjected to freeze-thaw and thermal degradation, is discussed. The study on the damage influence was conducted using a climate chamber to perform the temperature changes on the single edge notched beams. FRPC specimens were subjected to freeze-thaw and higher temperature cycles and then tested according to RILEM standards. To determine the stress intensity factor, K-1c, critical crack tip opening displacement CTODc, the Two Parameter Method was used and the fracture energy, G(f) of the specimens was calculated to evaluate the fracture properties of FRPC. Three-point bending tests were carried out on notched beams with a clip gauge attached to measure the crack mouth opening displacement CMOD. Polymer concrete was reinforced with short glass and carbon fiber with 1% and 2% in mass respectively, to determine whether the reinforcement increases the performance of the material. The fracture properties of FRPC are reported in such conditions.