Archive for Shelly and sands
Erie Blacktop Hamm HD120V
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Erie Blacktop put their new Hamm HD 120 V oscillatory roller to work on a 1-1/4” non compacted 9.5mm Super Pave surface course job. This mix was tough to compact utilizing traditional vibratory high frequency machines in the breakdown mode. It was decided by McLean Company representatives with Chris Schaeffer of Erie Blacktop permission to try using the Oscillatory roller in breakdown mode using just the Oscillatory drum only. The density then jumped up to an acceptable number after a 4000 vpm machine would not get the density numbers required in the breakdown mode.
Shelly and Sands, Inc: RT 23 Job
Posted by: | CommentsShelly and Sands uses the oscillatory technology from Hamm Compaction to help themselves out of a tough application on US RT 23 in Chillicothe, Ohio. The job requirements were two asphalt 12mm lifts over joint repaired concrete that carried smoothness and density requirements. This is a problem for all contractors in Ohio (see Flexible Pavements article link) http://www.flexiblepavements.org/images/techbullcrackseal.pdf
Traditional vibratory rollers were first used to compact the material. Joint repair bumps would occur so it was determined by Ed Morrison of Shelly and Sands QC department to try using the new Hamm oscillatory roller technology along with old technology of the pneumatic tired roller. Both worked very well in getting rid of the bump reoccurrence.
Shelly and Sands, Inc Akron-Youngstown Area division: Vogele 1110WB
Posted by: | CommentsShelly and Sands, Inc Akron-Youngstown Area division lays down 9mm rubberized super pave surface course mix with their new Vogele America 1110wb in Newton Falls, Ohio. The screed was heated electrically to an average temperature of 340-370 degrees to pave and maintain a great looking mat.
