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NCAT Test Track ConstructionCCPR & CIR, US280 MP 132 Location
September 2015
Updated: 22.09.15Mike Marshall
Pre-mill US280, Wirtgen W200i Milling Machine
Pre mill depth 5 ins, to accommodate 4 ins of Recycling RAP (including fluff) with provision for 1ins HMA overlay
Screened ¾ ins RAP at NCAT Yard
KMA220 Cold Mix Plant Production, Foam RAP Mix
Foam CCPR
30 t Bitumen tanker
5000 gal Water tanker20 t
Cement silo
Cold mixing plant KMA 200
350 kW Payloader
20 t tip trucks
Typical KMA220 CCPR Site Set Up
KMA220 Cold Mix Plant Control Panel
Foamed Asphalt Mix Design Inputs1.5% Cement, @.0% Compaction Water, 2.5% Foamed Asphalt
Foamed Asphalt Test Nozzle KMA220 Plant Mix
As the cement requirement was low, cement loaded into feed hopper manually
KMA220 discharge conveyor, 100% Recycled RAP directly to truck
Foam RAP Mix delivered to Roadtec Paver, fitted with Carlson Screed
Foamed Asphalt RAP at Paver Screed
Paving Foamed Asphalt RAP, Compacted to 4ins depth
Foamed Asphalt RAP Compaction
Completed Foam CCPR section prior to tack coat
application.
Emulsion Tanker & Cement Feed Connection Positions
Emulsion CCPR
Emulsion Mix Test, determine optimum moisture %age addition
Paving Emulsion RAP after compaction 4ins depth Mix design, 3.0% Emulsion, 1.5% cement & 3.0% Compaction water
Emulsion RAP Compaction
Completed Emulsion CCPR section prior to tack coat application
Tackcoat application to both Foam & Emulsion CCPR sections following compaction
Application Rate 0.050 gal/sqyd
Both CCPR Sections, Foam & Emulsion opened to full traffic after tackcoat application
Sections were trafficked 4 hours after placing recycled RAP
Foam RAP CCPR Section Emulsion CCPR SectionView both sections after overnight unrestricted speed high truck traffic
Emulsion CIR
CIR Section Pre-milled to depth of 1.4ins, 1.5% cement pre-spread on milled pavement
Wirtgen 3800CR, recycling depth, 4ins, emulsion binder, rear load directly to paver
Emulsion recycled material loaded directly into following Roadtec paver hopper
Paving Emulsion CIR Material
3800CR Control panelEmulsion mix design, 3.3% emulsion, 3.3% added compaction water
Emulsion CIR Compaction
Completed Emulsion CIR Section
Foam CIR