Hydrology of Porous Pavement Parking Lots

by Thomas J. Jackson, (A.M.ASCE), Res. Asst.; Dept. of Civ. Engrg., Univ. of Maryland, College Park, MD,
Robert M. Ragan, (M.ASCE), Prof. of Civ. Engrg.; Univ. of Maryland, College Park, MD,

Serial Information: Journal of the Hydraulics Division, 1974, Vol. 100, Issue 12, Pg. 1739-1752

Document Type: Journal Paper


Numerical solutions of the Boussinesq equation were used to examine the hydrologic behavior of porous pavement systems incorporating subdrains in open graded base courses placed on impermeable membranes. A series of numerical experiments showed that substantial control of the runoff hydrograph from parking lots could be obtained through the use of porous pavements. The numerical experiments conducted with synthetic design storms were used to develop equations and graphs for use by engineers designing porous pavement systems for runoff control.

Subject Headings: Hydrology | Pavement condition | Porous media | Parking facilities | Numerical methods | Pavement design | Control systems | Runoff | Hydrologic properties | Boussinesq equations

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