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| Titre: | Flexural fatigue failure of concrete reinforced with smooth and mixing hooked-end steel fibers |
| Auteur(s): | Saoudi, Nacira
Bezzazi, Boudjema |
| Mots-clés: | Smooth steel fiber
Flexural fatigue
Fatigue behavior
S–N curves |
| Date de publication: | 2019 |
| Editeur: | Cogent OA |
| Collection/Numéro: | Cogent engineering/ Vol. 6, N° 1 (2019);pp. 1-17 |
| Résumé: | This paper presents an experimental study on flexural fatigue dynamic behavior of reinforced concrete. Steel fiber is used for the retrofitting and
strengthening flexural members, by mixing short smooth steel fiber and hooked-
end fiber. By using Vibrophore HFP 150, dynamic loading was scanned at a reso-
nance frequency of 100 Hz. Our objective is to examine the behavior of a specimen
of 7 × 7 × 28 by a three-point bending test under high-level stress until it fails.
Important research has been conducted to investigate the static and fatigue
behavior of reinforcement. It was strengthened initially using one fiber, then using
other additives. However, this research is not adequate to examine the flexural
fatigue behavior of specimens by mixing different shaped fibers at different per-
centages. A further improvement in composite concrete performance is observed by
mixing two steel fibers under high-level stress. The results are in alignment with the
fatigue life data using Weibull distribution. |
| URI/URL: | http://dlibrary.univ-boumerdes.dz:8080/handle/123456789/5765 |
| Collection(s) : | Publications Internationales
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