Download - Low Volume Road Solutions
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Low Volume Road SolutionsBy: Jason Panter
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Seal Coats
• What is a Seal Coat?– Thin surface treatments– Binder & Aggregates
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Seal Coats
• Why are Seal Coats Used?1. Protect structure2. Improve texture3. Correct non-structural deficiencies
• Aged or oxidized pavement• Cracking• Raveling • Lack of skid resistance
4. Wearing Course5. Dust Control
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Gravel Seals
• High Float asphalt emulsion • Unwashed graded aggregate (gravel).• Wearing and water-proofing course.• Applied to a variety of surfaces:
• Sub-grade• Base• Pavement• Stabilized Bases Binder
Graded-aggregate
Unprimed substrate
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Gravel Seals
Compacted Gravel Base
• How to build one• Emulsion layer sprayed first• Aggregate layer evenly distributed • Packed for orientation• Repeat
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Gravel Seals
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Gravel Seals
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Fibermat Option
Direction of Application
Chippings
Chopped fibres
First layer of emulsion Second layer of emulsion
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Fibre Option
First Application of binder
Application of Fibres(60mm length at 75 g/m2)
Second Application of binder
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Fibermat Option
(Double Gravel Seal)
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Fibermat Option
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Fibermat Option
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Performance
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Performance
Before After
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Performance
Before After
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Performance
Aggregate Req’d: 600 MT/kmType: 12.5C Gravel
Binder : HF150P
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Performance
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Ballpark Pricing
• Single with Fiber (Supply) = $4.00 - $6.00
• Single No Fiber (Supply) = $3.00 - $4.00
• Single with Fiber (No Supply) = $3.00 - $5.00
• Single No Fiber (No Supply) = $2.00 - $3.00
• Double with Fiber (Supply) = $7.00 - $9.00• Double No Fiber (Supply) = $6.00 -
$8.00• Double with Fiber (No Supply) = $6.00 -
$8.00• Double No Fiber (No Supply) = $5.00 -
$6.00
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Offering
• Produce our own Emulsions• Aggregate Testing• Seal Coat and Cold Mix Designs• Construction
Solutions for your road networks