Development and validation of the first brazilian french-based asphalt mix complex modulus and fatigue test apparatus

Authors

  • Breno Barra Federal University of Santa Catarina (UFSC)
  • Leto Momm Federal University of Santa Catarina (UFSC)
  • Yader Guerrero Federal University of Santa Catarina (UFSC)
  • Yves Brosseaud French Institute of Transportation Sciences and Technologies, Development and Road Network – IFSTTAR, Nantes, France
  • Gustavo Momm Petróleo Brasileiro S.A. – PETROBRÁS

DOI:

https://doi.org/10.14295/transportes.v28i2.1927

Keywords:

Validation, Complex Modulus, Fatigue, Test Apparatus.

Abstract

The main aim of this paper is to present the development and validation procedures of the first brazilian french-based asphalt mix complex modulus and fatigue test apparatus, so-called FADECOM, in order to demonstrate the effective application of the results obtained in pavement design procedures. Magnetic sensitive Hall Effect non-contact captors determine amplitude displacement, while loading cells capture force amplitude by a diaphragm system. Independent cooling and heating chambers assure a precise temperature control comprising a range from -30ºC to above 100ºC with an accuracy of 0.1ºC. A frequency inverter controls the emission of pulses usually set from 1Hz to 30Hz. For validating the apparatus, a scientific cooperation agreement was dealt with French Institute of Transportation Sciences and Technologies, Development and Road Network (IFSTTAR), in which specimen samples were tested in both UFSC and IFSTTAR laboratories. The crossed-results obtained indicate an excellent performance and accuracy of FADECOM apparatus, presenting variations around just 3 microstrains in determining fatigue strains at 106 cycles (e6) and less than 10% related to the complex stiffness modulus, demonstrating huge accuracy of the FADECOM apparatus and its practical feasibility to be applied in pavement design procedures, based on the technical principles of French methodology.

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Author Biographies

Breno Barra, Federal University of Santa Catarina (UFSC)

Post-Graduation Program in Engineering and Mechanical Sciences (Pós-ECM)

Federal University of Santa Catarina (UFSC)

Technological Center of Joinville (CTJ), Campus Joinville.

Leto Momm, Federal University of Santa Catarina (UFSC)

Post-Graduation Program in Engineering and Mechanical Sciences (Pós-ECM)

Federal University of Santa Catarina (UFSC)

Technological Center of Joinville (CTJ), Campus Joinville.

Yader Guerrero, Federal University of Santa Catarina (UFSC)

Post-Graduation Program in Engineering and Mechanical Sciences (Pós-ECM)

Federal University of Santa Catarina (UFSC)

Technological Center of Joinville (CTJ), Campus Joinville.

Yves Brosseaud, French Institute of Transportation Sciences and Technologies, Development and Road Network – IFSTTAR, Nantes, France

French Institute of Transportation Sciences and Technologies, Development and Road Network – IFSTTAR, Nantes, France

Gustavo Momm, Petróleo Brasileiro S.A. – PETROBRÁS

Equipment Engineering Department, Santos/SP

References

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AFNOR NF EN 12697-26 (2012) Mélanges Bitumineux: Méthode d’Éssai pour Mélange Hydrocarboné à Chaud - Partie 26: Module de Rigidité. 40p. Association Française de Normalisation. France.

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Published

2020-05-15

How to Cite

Barra, B., Momm, L., Guerrero, Y., Brosseaud, Y., & Momm, G. (2020). Development and validation of the first brazilian french-based asphalt mix complex modulus and fatigue test apparatus. TRANSPORTES, 28(2), 41–53. https://doi.org/10.14295/transportes.v28i2.1927