Ensuring the structure matches traffic loads and environmental conditions .
Inside the PDF, there is a table of recommended roller types and pass counts for different mat thicknesses. Print this single page, laminate it, and keep it in every roller operator’s cab. ms-22 construction of quality asphalt pavements pdf
While MS-22 does not replace volumetric mix design, it explains how to construct a pavement that meets Superpave criteria. For instance, achieving the specified air voids (typically 4%) is impossible without proper compaction – a theme MS-22 covers exhaustively. While MS-22 does not replace volumetric mix design,
Longitudinal and transverse joints are statistically the most likely points of failure in an asphalt pavement. MS-22 dedicates significant attention to joint construction techniques. ms-22 construction of quality asphalt pavements pdf
MS-22 data shows that longitudinal joints fail at three times the rate of the main mat. The solution? The manual prescribes a “notched wedge” or “cut-down” technique where the first lane is rolled with 6 inches overhanging, and then trimmed before the second lane is laid.
While the full copyrighted text is typically a paid publication, here is a summary of the core construction standards and technical phases covered in the manual: 1. Project Preparation and Mix Delivery Subgrade Readiness