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Content History Oversight Quality Loading Performance Findings

Published byNoreen Booker Modified over 6 years ago

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Presentation on theme: "Content History Oversight Quality Loading Performance Findings"— Presentation transcript:

1 NCAT+MnROAD Partnership for a Nationwide Pavement Performance Experiment

2 Content History Oversight Quality Loading Performance Findings
Implementation

3 NCAT Pavement Test Track

4 MnROAD

5 Scope of Partnership Asphalt mix cracking performance test (CG)
“Balanced” use of reclaimed and recycled materials Mix design approval and production QC/QA Fatigue in hotter south, thermal in colder north Benefits of pavement preservation (PG) Life extension (x) and condition improvement (y) Broad range of pretreatment pavement condition Hot climate, cold climate, low traffic, high traffic

6 National Transportation Pooled Fund
Maine Washington Oregon California Nevada Idaho Montana Wyoming Colorado Utah New Mexico Arizona Texas Oklahoma Kansas Nebraska South Dakota North Dakota Minnesota Wisconsin Illinois Iowa Missouri Arkansas Louisiana Alabama (DOT & DEM) Tennessee Michigan Pennsylvania New York Vermont Georgia Florida Mississippi Kentucky South Carolina North Carolina Maryland Ohio Delaware Michigan (upper pennisula) New Hampshire Massachusetts Rhode Island Connecticut New Jersey FHWA West Virginia Indiana Private Sector Sponsors Cargill Deicing Technology Collaborative Aggregates FP2 Kraton Polymers Modified Asphalt Solutions Oldcastle Materials Polycon Manufacturing Seneca Petroleum Shell Sulfur Solutions Trinidad Lake Asphalt Virginia Pre-2015, 2015

7 Balanced Mix Performance (CG)

8 Pavement Preservation (PG)
Proactive Decision Tree via Life Extending & Condition Improving Benefits “Worst First” Reactive Approach Crack/fog seal Chip/slurry/micro Thin overlay Thick overlay Shallow mill/inlay or hot recycle + overlay Deep mill/inlay or cold recycle + overlay(s) Reclamation + overlay(s) Select for Lowest Life Cycle Cost

9 New

10 Construction Quality

11 Construction Quality

12 Climate and Traffic

13 Continuous Performance

14 Peer Reviewed Findings

15 Implementation

16 Benefits of Preservation
34

17 Chip SealsSouth 34

18 Micro Surface with Crack SealingNorth

19 Micro Surface with Crack SealingSouth
34

20 Micro Surface QC/QA

21 RAP+RAS Thinlays on Cold RecycleF,E
Central Plant In-Place

22 Summary Long history of world class research facilities
Turnkey research with control/oversight by agency High quality of construction and placement Same climate and precisely monitored traffic Continuous (and safe!) performance testing Findings peer reviewed, published, and transferred Support for implementation (specs, training, etc.).

23 End-of-Cycle Track Conference
High RAP/RAS balanced mix designs Nationwide pavement preservation Preventing reflective distresses Optimized structural design Implementation March 27-29, 2018 23

24 Dr. R. Buzz Powell, PE 277 Technology Parkway Auburn, AL 36830
Assistant Director & Test Track Manager 277 Technology Parkway Auburn, AL Phone: (334) Cell: (334) Web: Twitter:

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