pervious/porous concrete

21
Pervious/Porous Concrete Poolesville Town Hall

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Pervious/Porous Concrete. Poolesville Town Hall. Site Plan. Details. Selling The Idea. This is different to what is normal in appearance Explain that this is part of a total storm water management system Keep the system in the local news. Working with Agencies. - PowerPoint PPT Presentation

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Page 1: Pervious/Porous  Concrete

Pervious/Porous Concrete

Poolesville Town Hall

Page 2: Pervious/Porous  Concrete

Site Plan

Page 3: Pervious/Porous  Concrete

Details

Page 4: Pervious/Porous  Concrete

Selling The Idea

• This is different to what is normal in appearance

• Explain that this is part of a total storm water management system

• Keep the system in the local news.

Page 5: Pervious/Porous  Concrete

Working with Agencies

• Coordinate with the review agencies • During construction make sure other

inspectors are aware of what is taking place

Page 6: Pervious/Porous  Concrete

Setting parameters

• Specifications have not been established to a great extent.

• But set reasonable specifications until ASTM and ACI issue

Page 7: Pervious/Porous  Concrete

Finding contractors

• This should be part of the review process and part of the contractor selection process.

• Look at what other successful projects have in common.

Page 8: Pervious/Porous  Concrete

Subgrade Prep

Page 9: Pervious/Porous  Concrete

Fabric Placement

Page 10: Pervious/Porous  Concrete

Day of the Pour

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The Material

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Discharge

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Testing

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Test Panel

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Sample

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Placement

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Finish and Cover

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Testing the product and placement in Service

• The Town flooded the Parking lot using a fire hose to determine if the Pervious Concrete had sections that were not Porous.

• The beams were broken and flex was examined along with the shear plains within the aggregate.

• Cores were examined for uniformity of placement.

• Once all, criteria were met the parking lot went into service 28 days latter.

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Beam Break

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Functioning

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Finish