Environmental Engineering Reference
In-Depth Information
#1
Rainfall lands on the
parking lot surface...
#2
... where it flows through the
“pores” in the pavement
Permeable pavement
#3
the infiltration bed is
filled with clean,
uniformly graded stone.
... into the “bed”
below
#4
geotextile fabric
lines the bed
... recharging the aquifer
and groundwater.
The subgrade should remain uncompacted;
heavy machinery is harmful to the infiltration
capacity of the bed.
Figure 7-4
Porous pavement design.
Figure 7-5
Stone storage and infiltration bed.
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