Abstract: Aiming at rheologic characteristics of gilsonite modified bitumen, the gilsonite performances of various kind and dosage were compared and analyzed with PG appraisal system through DSR, BBR and Brookfield revolving viscosity ...

Abstract: To study the regular properties of modified bio-asphalt, analytical and measuring methods, including softening point, penetration, and ductility tests, were employed to analyze the improvement of properties in different ...