Dynamic tests for determining machanical properties of asphalt binders 60/70, 35/50 and PMB3 using DSR and Metravib DMA equipment

  • Phu Bui Van

    University of Transport and Communications, No 3 Cau Giay Street, Hanoi, Vietnam
  • Tuan Nguyen Quang

    University of Transport and Communications, No 3 Cau Giay Street, Hanoi, Vietnam
Email: quangtuan.nguyen@utc.edu.vn
Keywords: DSR, metravib DMA, bitumen, complex modulus, multiple stress creep recovery, master curve.

Abstract

This paper presents an investigation into the mechanical properties of bitumen under the effect of dynamic loads by using DSR and Metravib DMA equipment. The two original asphalt binders (35/50 and 60/70) and a modified bitumen (PMB3) were used in this study. Performance-Grade tests and Multiple Stress Creep Recovery (MSCR) tests were performed on PMB3 and base bitumen of 60/70. Also, the dynamic modulus tests were conducted in order to determine the rheological properties of all three kinds of bitumen. The results of the tests showed that PMB3 achieved significant improvements in terms of hardness, strain recovery and creep resistance in comparison with the original bitumen. The master curves of complex shear modulus |G*| were also constructed to help to predict the norm of complex modulus and phase angle at temperatures and frequencies which were not obtained by the experimental tests.

References

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Received
06/05/2020
Revised
01/06/2020
Accepted
04/06/2020
Published
28/06/2020
Type
Research Article
How to Cite
Bùi Văn, P., & Nguyễn Quang, T. (1593277200). Dynamic tests for determining machanical properties of asphalt binders 60/70, 35/50 and PMB3 using DSR and Metravib DMA equipment. Transport and Communications Science Journal, 71(5), 583-594. https://doi.org/10.25073/tcsj.71.5.10
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