Penetration testing and thermal behavior of bitumen 35/50 and modified bitumen 13/40
2012
Hamzaoui, R. | Guessasma, Sofiane | BENNABI, A.
Physical properties of pure bitumen 35/50 and polymer-modified bitumen 13/40 are studied using needle penetration test and differential scanning calorimetry (DSC). In particular, the mechanical response under indentation conditions is achieved as a function of different loads and temperatures. Our results show that lower temperature susceptibility is associated to larger loads but its change is rather small for the tested bitumens. A pure bitumen 35/50 exhibits a single glass transition temperature for different heating rate whereas modified bitumen 13/40 presents two T-g for different heating rate.
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