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A platform for research: civil engineering, architecture and urbanism
Fatigue Behaviour of FRP Bars Reinforced UHPC Beams
The main objective of the research project reported in this paper is to develop a new type of high-performance light beam that will increase the performance of usual beams (timber steel or RC beams) by combining Fibers Reinforced Polymer rebars cast in a Ultra-High-Performance Concrete with Short Fibre Reinforcement (UHPC-SFR). The beam is obtained to get a light beam with a high compressive and tensile capacity to sustain high bending moment and to be also shear resistant. The hybrid beams thus obtained are light and have higher ultimate load capacity. Fatigue and static tests are done to enhance the use of such structure under fatigue loading. The load–displacement relationships are analysed based on results obtained from 5 large scales specimens. In order to confirm the fatigue test done on UHPC material, fatigue tests are done on beams. According to the fatigue test, if tensile stress is lower than 7 MPa in the shear area or tension zone, the fatigue effect may be neglected. The results show good results and illustrate the potential interest of such composite beam configurations for civil engineering structures.
Fatigue Behaviour of FRP Bars Reinforced UHPC Beams
The main objective of the research project reported in this paper is to develop a new type of high-performance light beam that will increase the performance of usual beams (timber steel or RC beams) by combining Fibers Reinforced Polymer rebars cast in a Ultra-High-Performance Concrete with Short Fibre Reinforcement (UHPC-SFR). The beam is obtained to get a light beam with a high compressive and tensile capacity to sustain high bending moment and to be also shear resistant. The hybrid beams thus obtained are light and have higher ultimate load capacity. Fatigue and static tests are done to enhance the use of such structure under fatigue loading. The load–displacement relationships are analysed based on results obtained from 5 large scales specimens. In order to confirm the fatigue test done on UHPC material, fatigue tests are done on beams. According to the fatigue test, if tensile stress is lower than 7 MPa in the shear area or tension zone, the fatigue effect may be neglected. The results show good results and illustrate the potential interest of such composite beam configurations for civil engineering structures.
Fatigue Behaviour of FRP Bars Reinforced UHPC Beams
Lecture Notes in Civil Engineering
Benmokrane, Brahim (editor) / Mohamed, Khaled (editor) / Farghaly, Ahmed (editor) / Mohamed, Hamdy (editor) / Ferrier, E. (author) / Michel, L. (author)
8th International Conference on Advanced Composite Materials in Bridges and Structures ; Chapter: 49 ; 423-431
2022-09-27
9 pages
Article/Chapter (Book)
Electronic Resource
English
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