Area-Rated Rational Coefficients for Portland Cement Pervious Concrete Pavement
Publication: Journal of Hydrologic Engineering
Volume 11, Issue 3
Abstract
Surface area specific runoff coefficients were measured for nonclogged Portland cement pervious concrete systems according to the rational method. The systems were simulated with pervious concrete blocks with porosities ranging from 16 to 27% placed over sand subbases. Rainfall was simulated in a flume setup with surface slopes ranging from 2 to 10%. There was negligible runoff for typical rainfall events under frequency in South Carolina. Runoff rates were also simulated for a combination of direct rainfall and additional stormwater runoff from adjacent areas. The results obtained are important for the design of pervious concrete runoff management systems.
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Acknowledgments
The writers would like to thank members of the Carolina Ready Mixed Concrete Association, Dr. C. Pierce, Dr. J. Flora, Kevin Pulis, and Avery Fox for their contributions. The writers are grateful for funding from the Center for Manufacturing and Technology at the University of South Carolina.
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Information & Authors
Information
Published In
Journal of Hydrologic Engineering
Volume 11 • Issue 3 • May 2006
Pages: 257 - 260
Copyright
© 2006 ASCE.
History
Received: Aug 30, 2004
Accepted: Sep 14, 2005
Published online: May 1, 2006
Published in print: May 2006
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