Experimental study on splitting performance of fiber reinforced asphalt concrete / Chunshui Huang in REVUE DES COMPOSITES ET DES MATERIAUX AVANCES, Vol. 29, N° 1 (02/2019)  

[article]  inREVUE DES COMPOSITES ET DES MATERIAUX AVANCES > Vol. 29, N° 1 (02/2019) . - p. 45-52 Titre : Experimental study on splitting performance of fiber reinforced asphalt concrete Type de document : texte imprimé Auteurs : Chunshui Huang, Auteur ; Faqi Chen, Auteur ; Danying Gao, Auteur Année de publication : 2019 Article en page(s) : p. 45-52 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Asphalte Béton renforcé de fibres Essais (technologie) Fibres polyesters Matériaux bitumineux Matériaux bitumineux -- Effets de la température Mélanges de fibres Revêtements (voirie) Séparation (technologie) Index. décimale : 711.7 Aménagement des zones réservées aux transports, routes, autoroutes... Résumé : The effects of temperature, fiber length and fiber mixing amount on the splitting performance of asphalt concrete were studied by the splitting test of different fiber mixing amount and length of fiber asphalt concrete at different temperatures. The effect mechanism of fiber on the splitting performance of asphalt concrete was analyzed. The relationship model between the split test parameters of fiber asphalt concrete and temperature, fiber length and fiber mixing amount were established. The results show that under the test conditions, the optimum length of polyester fiber is about 6mm, and the optimum dosage is about 0.2 %. Note de contenu : - Material and test - Effect of temperature on splitting performance - Effect of fiber length on splitting performance - Effect of fiber amount on splitting performance - Table 1 : Optimum asphalt amount - Table 2 : Splitting test results at different temperatures - Table 3 : Splitting test reseults for different fiber length - Table 4 : Splitting test results of different fiber amount - Fig. 1 : Relationship betweensplitting failure load and temperature - Fig. 2 : Failure forms of specimens - Fig. 3 : Typical splitting test process curve - Fig. 4 : Schematic diagram of fiber distribution on fracture surface DOI : https://doi.org/10.18280/rcma.290108 En ligne : https://www.iieta.org/download/file/fid/665 Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=34735 [article]

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Viscoelastic mechanical model of asphalt concrete considering the influence of characteristic parameter of fiber content / Chunshui Huang in REVUE DES COMPOSITES ET DES MATERIAUX AVANCES, Vol. 31, N° 5 (10/2021)  

[article]  inREVUE DES COMPOSITES ET DES MATERIAUX AVANCES > Vol. 31, N° 5 (10/2021) . - p. 283-290 Titre : Viscoelastic mechanical model of asphalt concrete considering the influence of characteristic parameter of fiber content Type de document : texte imprimé Auteurs : Chunshui Huang, Auteur ; Danying Gao, Auteur ; Peibo You, Auteur Année de publication : 2021 Article en page(s) : p. 283-290 Note générale : Bibliogr. Langues : Français (fre) Catégories : Composites à fibres -- Propriétés mécaniques Fibres polyesters Flexion (mécanique) Fluage Matériaux bitumineux Matériaux cimentaires Matériaux cimentaires -- Propriétés mécaniques Poutres Viscoélasticité Index. décimale : 677.4 Textiles artificiels Résumé : This paper carries out bending creep tests on polyester fiber-reinforced asphalt concrete beams, and investigates how the volume ratio and aspect ratio of the fibers influence the parameters of viscoelastic mechanical model and the viscoelastic performance of the asphalt concrete. The results show that: with the growing volume ratio and aspect ratio of the fibers, the midspan deflection and bottom flexural-tensile strain of asphalt concrete beams first dropped and then rose over time; the characteristic parameter of fiber content (FCCP) could reflect the overall effects of the volume ratio and aspect ratio of the fibers. On this basis, a viscoelastic mechanical model was established for the asphalt concrete in the light of the influence of FCCP. The test and theoretical results show that, in our tests, the optimal volume ratio of fibers, optimal aspect ratio of fibers, and optimal FCCP are 0.348, 324, and 1.128 for polyester fiber-reinforced asphalt concrete. Note de contenu : - Methodology - Viscoelastic Deformation Features Influence of fiber volume ratio and fiber aspect ratio on viscoelastic model parameters and viscoelastic performance - Viscoelastic model and viscoelasticity analysis - Tables : Relationship between parameters of formula (2, 3, 4 and 5) and fiber volume ratio and fiber aspect ratio DOI : https://doi.org/10.18280/rcma.310503 En ligne : https://www.iieta.org/download/file/fid/63497 Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=37686 [article]

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