Engineered to meet the CAN/CGSB-16.3-M90 specification, as well as specific provincial/state/regional requirements, which represents the more technical, empirical asphalt cement grading system.
1987-Discussion of Employing Paving Asphalt Temperature Susceptability in Structural Design – N.W. McLeod
1971-Designing Standard Asphalt Paving Mixtures for Greater Durability-Norman W. McLeod
1953-A Design of Bituminous Mixtures with Curved Mohr Envelopes-Norman W. McLeod
2001 – Comparison of Mechanical Properties of Asphalt Mixes with Aged AC – Halim, Hassan, Kandil, Bhutta and Davidson
1963-Comments on the Proposal to Classify Paving Grades of Asphalt Cement by Viscosity at 140 F-Norman W. McLeod
1975-A Case for Grading Asphalt Cements by Penetration at 77 F (25C) – Norman W. McLeod
1947-Canadian Investigation of Flexible Pavement Design-Norman W. McLeod
Asphalt Cements – Penetration Graded SDS Sheet
Asphalt Cements – Performance Graded (PG) SDS Sheets
