Polymer Concrete Patching Materials · Binder- Polymer-modified resin and oils to better resist...
Transcript of Polymer Concrete Patching Materials · Binder- Polymer-modified resin and oils to better resist...
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Todd Donmyer P.E.
Area Engineer District 61
Polymer Concrete Patching Materials
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LADOTD – Todd Donmyer Area Engineer District 61
CRAFCO – Cheryl Jones
Marketing Associates– Chris Carwie
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Title Here
TechCrete
Presented by
Cheryl Jones
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TechCrete History
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What is TechCrete?
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TechCrete is the most advanced
flexible concrete solution for highway
and airport pavement rehabilitation!
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TechCrete Composition
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Binder- Polymer-modified resin and oils
to better resist shoving and cracking.
Aggregate – designed to provide mass and stability for
compression resistance and to meet load bearing
requirements, while still allowing the material to flow.
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TechCrete Products
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TechCrete R
TechCrete R contains finer aggregate and is used for repairs up to ¾ inch (20mm) deep.
TechCrete TBR
TechCrete TBR contains larger aggregate particles and is used for repairs from ¾ inch to
8 inches (20 to 200mm) deep. This is the most frequently used TechCrete product.
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TechCrete Attributes w/Video
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• Pre-blended mix
• Produces no compressive or
tensile stress on the surrounding
pavement
• Flowable/Pourable
• Aggregate Filled/Extendable
• Load Bearing Resistance
• Flexible
• Excellent Adhesion
• Voidless
• Waterproof
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Where to Use TechCrete
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TechCrete products provide solutions for concrete distresses that include
but are not limited to:
• Wide Cracks
• Longitudinal Cracks
• Transverse Cracks
• D Cracking
• Corner Slab Breaks
• Pavement Blow-ups
• Joint Failures
• Spalls
• Potholes
• Pop-outs
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Repair wide cracks
TechCrete Applications
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D cracking (due to freeze/thaw)
TechCrete Applications
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Joint Failures
TechCrete Applications
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Multi-Corner Slab Repair Corner Breaks
TechCrete Applications
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Spalls & Pop-outs
TechCrete Applications
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Benefits of TechCrete
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Benefits of TechCrete
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• TechCrete is easily installed and can be opened to traffic within an
hour
• TechCrete waterproofs PCC pavement and is chemical-resistant
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Installation - Equipment
Use only an indirectly-heated Patcher
with sufficient agitation.
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Mark the perimeter of the areas to be repaired
Installation - Preparation
Remove the defective pavement
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Clean and dry the repair area with a hot air lance.
Installation - Preparation
Ensure the pavement temperature exceeds
40F (4C) during application
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Installation - Preparation
Prime the entire repair area Install TechCrete
375° F-400° F
2” lifts if depth is greater
than 2 ½”.
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TechCrete Video
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Click below to view TechCrete Video
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TechCrete Installation - Application
Smooth product to the desired level
Apply surface aggregate
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FIBRECRETE
…the only proven durable patch
FIBRECRETE provides an impervious, color-matched hard-wearing finish. The finished patch has good tensile strength, flexibility, and resists compression and wheel tracking.
FIBRECRETE is designed to replace traditional
cementitious repairs which are prone to failure due to
their stiffness.
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FIBRECRETE B and G
FIBRECRETE B (black) is a hot-applied polymer modified asphalt base material containing mineral fillers, chopped fibers, sand and graded granite aggregates. FIBRECRETE B is supplied in 50 lbs blocks.
…the only proven durable patch
FIBRECRETE G (grey) is a hot-applied synthetic polymer modified resin compound. The grey formulation performs equal to FIBRECRETE B, and meets or exceeds the same performance specifications. Fibrecrete “G” is a supplied in 50 lb melt bags.
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ASTM D 5329
Bond
Mandrel
Resilience
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Purpose-Built Equipment
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FIBRECRETE solution…
Deep Repair Method The defective area is removed to the required width and depth and where necessary the existing joint sealing compound is removed. Loose material and debris is mechanically swept and removed from the site. The area is thoroughly cleaned with controlled use of hot compressed air. Where the repair depth is greater than 2”, hot applied Fibrecrete material is bulked out with larger aggregate. The remaining recess is then filled with Fibrecrete compound to finish flush with the pavement surface. While Fibrecrete is still molten a dressing of pre-heated high PSV aggregate is applied.
Fast installation minimizes costly traffic management and aircraft movement disruption.
The finished repair can withstand very high traffic loading within minutes of application.
The repair is totally impervious to water and salts thus arresting further deterioration.
IH 26 – ‘97
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Step #1 - Sawcutting
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Step #1 - Sawcutting
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Step #2 - Cleaning
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Step 3 # Priming Recess
…the only proven durable patch
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Step #4 – Placing Material
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Step 5 – Applying Bulking Stone
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Step 6 –Screeding and Applying
Topping Stone
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Fibrecrete LA Project
History
2007/2008 - Demo on LA 1
2009/10 – LA 1 Project
2010 – I-12 East Baton Rouge
2011 – I-12 East Baton Rouge
2012 – I-10 Gonzales
2014 – Jefferson Highway (BR)
2015 – I-12 West Baton Rouge
2015 – I-49 Natchitoches
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Fibrecrete LA
Project
Examples
LA 1 Port Allen, LA
I-12 Baton Rouge, LA
Jefferson Highway, Baton Rouge, LA
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Project Pictures LA I-10, Exit 139 LA 1 Port Allen, LA Demo
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Todd Donmyer P.E.
Area Engineer District 61
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I-12 East Baton Rouge Parish
August 2011
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I-12 East Baton Rouge Parish
August 2011
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I-12 East Baton Rouge Parish
February 2016
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Essen Lane – East Baton Rouge Parish
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Essen Lane – East Baton Rouge Parish
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Essen Lane – East Baton Rouge Parish
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Any Questions?