Location and Depth of Pervious Concrete Clogging Material before and after Void Maintenance with Common Municipal Utility Vehicles
Publication: Journal of Transportation Engineering
Volume 138, Issue 3
Abstract
In practice, it has been observed that the method of pervious concrete void maintenance depends on which machines or vehicles the owners have available. This research compares the abilities of three common municipal utility vehicles—a vacuum truck with a flexible, 200-mm (8-in.) hose; a vacuum street sweeper; and a regenerative air street sweeper—to remove clogging material from the voids of in-service pervious concrete pavements. By using optical microscopy, it was found that clogging materials rarely migrate into voids deeper than 12.7 mm () from the surface. Furthermore, all three machines were able to remove clogging materials that were located within 3.18 mm () of the surface. The clogging material that was located deeper than 3.18 mm () remained within the voids but was likely disturbed by either the suction or the forced air of the maintenance vehicles.
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Acknowledgments
This research was completed with a grant from the Ready Mix Concrete (RMC) Research and Education Foundation, the executive director of which is Julie Garbini.
This research was made possible with the help and cooperation of Mark Maloney, Tom Wesolowski, and Mike Shaughnessy of the City of Shoreview Public Works Department and Andjela Tomovic of the City of Saint Cloud Department of Engineering.
References
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Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 138 • Issue 3 • March 2012
Pages: 332 - 338
Copyright
© 2012 American Society of Civil Engineers.
History
Received: Apr 27, 2011
Accepted: Jul 18, 2011
Published online: Feb 15, 2012
Published in print: Mar 1, 2012
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