AZ ROC R-13 Asphalt Paving Practice Questions - Arizona ROC R-13 Asphalt Paving Examination Exam

To increase soil dry density, load-bearing strength, and stability while reducing settlement and permeability To retain soil moisture so the subgrade remains soft and flexible under traffic To create a slick, polished surface that prevents mechanical interlock with aggregate To decrease the soil dry density to allow maximum subsurface water infiltration