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− | |+ <h2>[[Specifications for pervious concrete, porous asphalt, and permeable pavers]] </h2> | + | |+Specifications for pervious concrete, porous asphalt, and permeable pavers |
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− | !style="background: cyan; color: black"|Material | + | !Material |
− | !style="background: cyan; color: black"|Specification | + | !Specification |
− | !style="background: cyan; color: black"|Quantity | + | !Quantity |
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− | | + | |'''Pervious Concrete''' |
− | !Pervious Concrete
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− | |* 28 day compressive strength = 5.5 to 20 MPa <br> * Void ratio = 14% - 31%<br>* Permeability = 900 - 21,500 mm/hr||Thickness will range from 100 mm-150 mm depending on the expected loads | + | * 28 day compressive strength = 5.5 to 20 MPa |
| + | * Void ratio = 14% - 31% |
| + | * Permeability = 900 - 21,500 mm/hr |
| + | |Thickness will range from 100 mm-150 mm depending on the expected loads |
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− | !Porous Asphalt
| + | |'''Porous Asphalt''' |
− | |* open-graded asphalt mix with a minimum of 16% air voids <br> * Polymer can be added to provide additional strength to heavy loads||Thickness will range from 50 mm-100 mm depending on the expected loads | + | | |
| + | * open-graded asphalt mix with a minimum of 16% air voids |
| + | * Polymer can be added to provide additional strength to heavy loads |
| + | |Thickness will range from 50 mm-100 mm depending on the expected loads |
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− | !Permeable Pavers
| + | |'''Permeable Pavers''' |
− | |*ASTM No. 8(5 mm dia) crused aggregate is recommended for fill material in the paver openings.<br>*Pavers shall meet the minimum material and standard specification for Precast Concrete Pavers.<br>*Pigment in concrete pavers shall conform to ASTM C 979 ACI Report No. 212.3R provides guidance on the use of pigments.<br>*Maximum allowable breakage of product is 5%||*For vehicle applications the minimum paver thickness is 80 mm<br>*For pedestrian applications is 60 mm and Joint widths should be no greater than 15 mm. | + | | |
| + | *ASTM No. 8(5 mm dia) crused aggregate is recommended for fill material in the paver openings. |
| + | *Pavers shall meet the minimum material and standard specification for Precast Concrete Pavers. |
| + | *Pigment in concrete pavers shall conform to ASTM C 979 ACI Report No. 212.3R provides guidance on the use of pigments. |
| + | *Maximum allowable breakage of product is 5% |
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| + | *For vehicle applications the minimum paver thickness is 80 mm |
| + | *For pedestrian applications is 60 mm and Joint widths should be no greater than 15 mm. |
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