Connected Sustainability | Pervious Poured Concrete
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Pervious Poured Concrete

ABOUT

What is Pervious Concrete?

Pervious poured is a special type of concrete with a high porosity used for concrete flatwork applications that allows water from precipitation and other sources to pass directly through. It is also called porous concrete, permeable concrete, no-fines concrete, gap-graded concrete and enhanced-porosity concrete.

 

What are its benefits?

  • Recharges groundwater
  • Reduces storm water runoff
  • Meets EPA storm water regulations
  • Reduces need for retention ponds, swales and other storm water management devices
  • Lowers overall project costs
  • Suitable for many applications
  • Controls pollutants
  • Captures heavy metals
  • Important for sustainable construction
  • Allows storm water to percolate and infiltrate the surface areas

 

Why is it effective?

In pervious concrete, carefully controlled amounts of water and cement materials are used to create a paste that forms a thick coating around aggregate particles. A pervious concrete mixture contains little or no sand, creating a substantial void content. Using sufficient paste to coat and bind the aggregate particles together creates a system of highly permeable, interconnected voids that drains quickly.

 

Where is it used?

  • Parking areas
  • Light traffic area
  • Residential streets, sidewalks and driveways
  • Pedestrian walkways
  • Greenhouses
  • Walking and cycle paths
  • Service or emergency access lanes
  • Road and airport shoulders
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