Is it more important for asphalt or portland cement concrete

Is it more important for asphalt or portland cement concrete to have optimized gradations? Why?

Solution

Yes. It is important to have optimized gradation for portland cement concrete and for asphalt concrete because, it effect the strenth and durability aspects. Optimized gradation will have significant improvement in decreasing shrinkage. Hence it is important to have optimized gradation for PCC and asphalt concrete.