Chapter 4: Plant Operations . Aggregate Drying and Heating. ONT Quality Control and Observation of HMA Production . MS-22 Construction of Quality Asphalt Pavements
Recent editions of MS-22 add sections on WMA, which is produced at lower temperatures (50–100°F lower than HMA). The manual explains how lower temperatures affect compaction timing, rolling patterns, and density achievement. ms-22 construction of quality asphalt pavements pdf
provides a detailed summary of the 2020 updates and the manual's structure. Inspection Principles : For a free, technical alternative, the Chapter 4: Plant Operations