Changes

Jump to navigation Jump to search
no edit summary
Line 16: Line 16:
*''A<sub>p</sub> = Permeable pavement area (m<sup>2</sup>)
*''A<sub>p</sub> = Permeable pavement area (m<sup>2</sup>)
*''f''' = [[Design infiltration rate]] of underlying native soil (m/hr)
*''f''' = [[Design infiltration rate]] of underlying native soil (m/hr)
*''C'' = Runoff coefficient of impermeable pavement (e.g., 0.9 for asphalt)  
*''C'' = Runoff coefficient of impervious contributing drainage area (e.g., 0.9 for asphalt)  
*''n'' = Porosity of the stone bed aggregate material (typically 0.4 for 50 mm dia. [[reservoir aggregate|clear stone]])}}  
*''n'' = Porosity of the stone bed aggregate material (typically 0.4 for 50 mm dia. [[reservoir aggregate|clear stone]])}}  
<br>
<br>

Navigation menu