Shelly and Sands, Inc Mansfield division utilizes their Companies new Hamm Oscillatory roller model HD 90 V on some of their toughest paving jobs. One recently was the Marion County airport laying a P401 FAA mix 2” thick prior to compaction on a fiber mat product to prevent reflective cracking. Density was being achieved at mat temperatures down to 130 degrees, picking up .5-1.0 points on the nuclear density gauge. A tough FAA density specification is required on the longitudinal joint. This was achieved buy use of the Oscillatory roller at much lower mat temperatures instead of traditional vibratory rollers used in this application at much higher mat temperatures.
Another benefit to the non destructive nature of the roller was smoothing off take off points from a transverse joint.