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| Azevedo, Nuno Monteiro |
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Hurk, Bart Van Den
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Publications (5/5 displayed)
- 2024Effect of UV-water weathering on the mechanical properties of flax-fiber-reinforced polymer compositescitations
- 2023Effect of environmental humidity on the creep behavior of flax fiber-reinforced polymer compositescitations
- 2023Numerical and experimental validation of the static performance of a full-scale flax fiber-polyester composite bridge model to support the design of an innovative footbridgecitations
- 2023Creep analysis of the flax fiber-reinforced polymer composites based on the time–temperature superposition principlecitations
- 2023The application of the accelerated test methods on the creep analysis of flax fiber reinforced polymer compositescitations
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article
Numerical and experimental validation of the static performance of a full-scale flax fiber-polyester composite bridge model to support the design of an innovative footbridge
Abstract
<p>This paper deals with the numerical and experimental analysis of a large-scale footbridge model made of flax fiber-reinforced polyester composite. The goal of this work was to support the design of the 15 m span flax-polyester footbridge installed at the Floriade Expo 2022 in Almere, the Netherlands. The model stacking sequence, thicknesses, material, and vacuum infusion technology are identical to those of the footbridge. For the numerical analysis, a multi-layered laminate was modeled using ABAQUS with composite layup and continuous shell elements. The model was equipped with 16 embedded fiber-optic Bragg grating (FBG) sensors for strain sensing and mechanical evaluation. The specimen was subjected to monotonic loading and unloading. Numerical results were compared with those obtained from the load test. The good agreement revealed the correctness of the assumptions. This study provides a design methodology based on numerical and experimental investigation, to overcome uncertainties derived from the application of this innovative material for load-bearing applications in footbridges.</p>