Published in 1974
A questionnaire concerning the specifications on the use of vibratory rollers on bituminous concrete was sent to the 50 state highway agencies. All 50 agencies replied, and many indicated that their specs were in a state of change. The report presents the survey results. Field experience is discussed under five headings: (1) dual-drum density vs. single-drum density, (2) dual-drum vs. rubber-tired vibratory rollers, (3) joint compaction, (4) roller operator, and (5) miscellaneous.
Last updated: February 5, 2024