Difference between revisions of "Properties of permeable pavement"
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| − | <font size=3>Properties of permeable pavements. [[Properties of permeable pavement|(Link to this table)]]</ | + | <center><font size=3>'''Properties of permeable pavements.'''<font size><br> |
| − | + | [[Properties of permeable pavement|(Link to this table)]]</center> | |
<table> | <table> | ||
<table border="1"> | <table border="1"> | ||
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| − | <td width="25%>Typical pavement surface thickness<sup> | + | <td width="25%>Typical pavement surface thickness<sup>a</sup></td> |
<td width="25%">5 to 8 inches</td> | <td width="25%">5 to 8 inches</td> | ||
<td width="25%">3 to 4 inches (thicker for high wheel load applications)</td> | <td width="25%">3 to 4 inches (thicker for high wheel load applications)</td> | ||
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| − | <td width="25%">Bedding layer<sup> | + | <td width="25%">Bedding layer<sup>a,f</sup></td> |
<td width="25%">None</td> | <td width="25%">None</td> | ||
<td width="25%">1 in. [http://www.transportation.org/Pages/default.aspx AASHTO] No. 57 stone</td> | <td width="25%">1 in. [http://www.transportation.org/Pages/default.aspx AASHTO] No. 57 stone</td> | ||
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| − | <td width="25%">Reservoir layer<sup> | + | <td width="25%">Reservoir layer<sup>b,f</sup></td> |
<td width="25%">[http://www.transportation.org/Pages/default.aspx AASHTO] No. 57 stone or per hydraulic design</td> | <td width="25%">[http://www.transportation.org/Pages/default.aspx AASHTO] No. 57 stone or per hydraulic design</td> | ||
<td width="25%">[http://www.transportation.org/Pages/default.aspx AASHTO] No. 2, 3, or 5 stone</td> | <td width="25%">[http://www.transportation.org/Pages/default.aspx AASHTO] No. 2, 3, or 5 stone</td> | ||
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| − | <td width="25%">Longevity<sup> | + | <td width="25%">Longevity<sup>d</sup></td> |
<td colspan="3"><center>20 to 30 years</center></td> | <td colspan="3"><center>20 to 30 years</center></td> | ||
</tr> | </tr> | ||
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| − | <td width="25%">Surface cleaning<sup> | + | <td width="25%">Surface cleaning<sup>g</sup></td> |
<td colspan="2"><center>Periodic vacuuming; replace if completely clogged and uncleanable</center></td> | <td colspan="2"><center>Periodic vacuuming; replace if completely clogged and uncleanable</center></td> | ||
<td width="25%">Periodic vacuuming; replace jointing stones if completely clogged and uncleanable</td> | <td width="25%">Periodic vacuuming; replace jointing stones if completely clogged and uncleanable</td> | ||
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| − | <font size = 1> | + | <font size = 1><sup>a</sup>Thickness may vary depending on site and traffic conditions<br> |
| − | + | <sup>b</sup>Reservoir storage may be augmented by corrugated metal pipes, plastic arch pipe or plastic lattice crates<br> | |
| − | + | <sup>c</sup>Supply and install minimum surface thickness only; minimum 30,000 sf with Minnesota 2012 prevailing labor wages. Does not include base reservoir, drainage appurtenances, engineering, or inspection<br> | |
| − | + | <sup>d</sup>Based on pavement being properly maintained. Resurfacing or rehabilitation may be needed after the indicated period<br> | |
| − | + | <sup>e</sup>Depends primarily on on-site geotechnical considerations and structural design computations<br> | |
| − | + | <sup>f</sup> ASTM D448 Standard Classification for Sizes of Aggregate for Road and Bridge Construction or ASASHTO M-43<br> | |
| − | + | <sup>g</sup>Periodic vacuuming frequency determined from inspection, intensity of use, and other potential sediment sources</font size> | |
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| − | </font size> | ||
Revision as of 16:49, 4 January 2013
(Link to this table)
| Properties | Pervious concrete | Porous asphalt | PICP |
|---|---|---|---|
| Typical pavement surface thicknessa | 5 to 8 inches | 3 to 4 inches (thicker for high wheel load applications) | 3 inches1 |
| Bedding layera,f | None | 1 in. AASHTO No. 57 stone | 2 inches of AASHTO No. 8 stone (MnDOT 3127 FA-3) |
| Reservoir layerb,f | AASHTO No. 57 stone or per hydraulic design | AASHTO No. 2, 3, or 5 stone | 4 inches of AASHTO No. 57 stone over No. 2, 3 or 4 stone |
| Construction properties |
|
|
|
| Installed surfacing cost3 | $3 to $4/square foot | $2/square foot | $3 to $4/square foot |
| Minimum batch size | |||
| Longevityd | |||
| Overflow | |||
| Runoff temperature reduction | |||
| Surface colors/texture | Range of light colors and textures | Black or dark grey colors | Wide range of colors, textures and patterns |
| Load bearing capacity5 | |||
| Surface cleaningg | Periodic vacuuming; replace jointing stones if completely clogged and uncleanable | ||
| Other issues |
|
|
Avoid winter sanding |
| Design reference | Report 522-2010 | Hansen 2008NAPA | Smith 2011 ICPI |
aThickness may vary depending on site and traffic conditions
bReservoir storage may be augmented by corrugated metal pipes, plastic arch pipe or plastic lattice crates
cSupply and install minimum surface thickness only; minimum 30,000 sf with Minnesota 2012 prevailing labor wages. Does not include base reservoir, drainage appurtenances, engineering, or inspection
dBased on pavement being properly maintained. Resurfacing or rehabilitation may be needed after the indicated period
eDepends primarily on on-site geotechnical considerations and structural design computations
f ASTM D448 Standard Classification for Sizes of Aggregate for Road and Bridge Construction or ASASHTO M-43
gPeriodic vacuuming frequency determined from inspection, intensity of use, and other potential sediment sources