6HAFEZ I. Development of a Simplified Asphalt Mix Stability Procedure for Use in Superpave Volumetric Mix Design [ D] . College Park: University of Maryland, 1997.
7WITCZAK M W, KALOUSH K. NCHRP Report 465: Simple Performance Test for Superpave Mix Design [ R] . Washington, D.C. : National Research Council, 2001.
8BOULDIN M G, DONGRE R, DANGELO J. Proposed Refinement to the Superpave High Temperature Specification Parameter for Performance Graded Binder [ J ] .Transportation Research Record, 2001(1766): 40-47.
