1. Research Projects Update Andrew Hanz WHRP Program Manager Hussain Bahia WHRP Technical Director DRAFT CONCEPT for Contractor Engineer conference January 21, 2009 WISCONSIN HIGHWAY RESEARCH PROGRAM Year in Review October 1, 2007 – September 30, 2008

2. WHRP Mission Improve the return on investment in Wisconsin roads by delivering timely and implementable research products.

3. WHRP – Organization Steering Committee Five Technical Oversight Committees –Structures –Rigid Pavements –Geotechnics –Flexible Pavements –{ Data Integration } Frozen Four – Regional Coordination Technical Service/Assistance to the Information Commons Program

4. Progress to Date Completed and ongoing research WHRP was established in 1998 –59 completed projects, 32 in progress (as of Oct. 2008) –Flex TOC:  20 projects completed, 6 in progress –Rigid TOC:  15 projects completed (1 Pooled Fund), 4 projects in progress (3 Pooled Fund) –Geotech TOC:  14 projects completed, 8 projects in progress –Structures TOC:  10 projects completed, 11 projects in progress –Data Integration TOC  3 projects in progress

5. Flex TOC Update Completed Research Completed Research –02-13: Evaluation of Interlayer Bonding in HMA Pavements02-13 –03-13: Field Evaluation of Wisconsin Modified Binder Selection Guidelines03-13 –04-07: Testing Wisconsin Asphalt Mixtures for the AASHTO 2002 Design Procedure04-07 –06-01: Perpetual Pavement Instrumentation for the Marquette Interchange Project06-01 Test at 47 ºC ram pressure 1.25 deg SGC

6. Research in Progress –Design and Rehabilitation  07-01: Investigation of the use of OGFC in Wisconsin 07-01  08-06: Wisconsin Mixture Characterization Using The SPT on Historical Aggregate Structures 08-06  09-02: Performance Evaluation of Tack Coat Materials 09-02  08-09: Pre-Overlay Repair of Existing Concrete and Asphalt Pavements 08-09: –Construction  07-17: Relationship Between Lab and Field Compaction 07-17:  08-07: Evaluation of Intelligent Compaction Technology for Densification of Roadway Sub-grades and Structural Layers (Joint with Geotech) 08-07 Flex TOC Update Research in Progress

7. Completed Research –04-12: Expanded Study of Aggregate Coating and Films on Concrete Performance04-12 –05-05: Analysis of Concrete Pavement Joints to Predict the Onset of Distress05-05 –07-03: Improving Full Depth Concrete Repair07-03 Rigid TOC Update Completed Research

8. Research in Progress –Mix Design  07-02: Detecting Deleterious Fine Particles on Concrete Agg. And Defining Their Impact. 07-02  08-08: Reduction of Minimum Required Weight of Cementious Materials in Concrete Mixes 08-08: –Rehabilitation and Performance Evaluation  08-10: Performance Assessment of WI’s Whitetopping and Ultra- Thin Whitetopping Projects 08-10  09-03: Performance Evaluation of OGBC with Doweled and Non- Doweled Transverse Joints on USH 18/151 and STH 29. 09-03 Rigid TOC Update Research in Progress

9. Completed Research –00-13: Evaluation of Bridge Approach Settlement Mitigation Methods.00-13 Settlement Mitigation Alternative – Geosynthetic Reinforced Fill $15 - $20/CY of Backfill increase in bid price. Geotech TOC Update Completed Research

10. Research in Progress –Subgrade Evaluation/Stabilization  04-10: Monitoring and Evaluation of Fly Ash Stabilized Subgrade Constructed by WisDOT 04-10:  07-05: Development of Testing Methods to Determine Interaction of Geo-Grid Reinforced Granular Material for Mechanistic Analysis. 07-05:  08-12: Determination of Resilient Modulus Values for Typical Plastic Soils in Wisconsin. 08-12: –Structural Support Systems  07-04: Comparison of Three Different Methods for Determining Pile Bearing Capacities 07-04:  07-06: Development of Full Scale Testing of an Alternative Foundation System for Post and Panel Retaining Walls. 07-06: Geotech TOC Update Research in Progress

11. Research in Progress –Compaction –06-04: Construction Vibration Attenuation with Distance and its Effect on the Quality of Early Age Concrete06-04: –08-07: Evaluation of Intelligent Compaction Technology for Densification of Roadway Subgrades and Structural Layers. (Joint with Flex)08-07 –08-11: Effective Depth of Soil Compaction in Relation to Applied Compactive Energy.08-11 Geotech TOC Update Research in Progress (continued)

12. Completed Research Efforts –06-07: Specification and Design of Fiber Reinforced Bridge Deck Forms for Use on Wide Flange T-Girders06-07 Structures TOC Update Completed Research

13. Research in Progress –Bridge Analysis and Monitoring  04-15 Phase II: Bridge Integrated Analysis and Decision Support Case Histories 04-15 Phase II:  05-02: In-Situ Monitoring and Testing of IBRC Bridges in WI 05-02:  07-09: Monitoring and Load Distribution Study for the Land Bridge 07-09: –Maintenance  06-06: Evaluation of Methods of Rebar Protection, Spall Prevention, and Repair Techniques on Concrete Girders 06-06:  07-07: Evaluation of Fiberglass Wrapped Concrete Bridge Columns 07-07:  09-06: Concrete Cracking in New Bridge Decks and Overlays 09-06: Structures TOC Update Research in Progress

14. Research in Progress –Design and Construction  07-08: Rapid Bridge Construction Technology – Precast Elements for Substructures 07-08:  05-03: Electronic Automation of LRFD Design Programs 05-03:  08-13: Friction Coefficients for Stainless Steel (PTFE) Teflon Bearings 08-13:  08-14 Phase I: Fatigue Risks in the Connection of Sign Support Structures – Phase I 08-14 Phase I:  08-15: Analysis of Permit Vehicle Loads in Wisconsin 08-15: Structures TOC Update Research in Progress (continued)

15. –07-23: Data Integration and Partnership for Statewide Transportation Planning07-23: –08-16: Evaluation and Recommendations for Further Development of the WisDOT Pavement Information Files (PIF)08-16: –08-17: Development of a Database Framework and Implementation Plan for Integrating WisDOT Materials and Construction Databases08-17: Data Integration TOC Update Research in Progress

16. Impact of Completed Research Projects Andrew Hanz WHRP Program Manager Webinar November 25, 2008 WISCONSIN HIGHWAY RESEARCH PROGRAM Year in Review October 1, 2007 – September 30, 2008

17. Impact of Completed Research Projects ~ 60 Completed Projects… What is the impact? Defined two categories –Implemented  Changed Practice  Validated Current Practice –Not Implemented:  Not Implementable  Further Research  Implementation Project  Pending Action

18. Impact of Completed Research Projects Performance Measure – Projects Implemented –Average for all TOCs: 28% –Range for TOCs: 15% - 45%

19. Implemented Projects Flex TOC Validated Practice –00-04 – Minimum Pavement Thickness for Superpave Design: Verified Layer thicknesses in 460.3.2 were appropriate.00-04 –05-07 – Guidance for Rubbilization: Current Guidelines were verified.05-07 Change in Practice –45-98 – Field and Lab Evaluation of FAA: Table 460-2 in specifications changed to include the statement that FAA values are for design, not construction.45-98 –00-06 – Temperature Density Relationship of HMA: Density criteria in Section 460.3 were modified.00-06 –07-22 - Overlay Design Procedures for Flexible Pavements: Analysis tool and modification to FDM 14-10-30 to increase reliability of overlay design (AASHTO ’93 method).07-22

20. Validated Practice –45-16 – Field Measurement of W/C Ratio for PCC Phase II: No proposed methods were feasible for acceptance of field W/C as a pay item.45-16 –05-01 – Effects of GGBFS in PCC – Expanded Study: Recommendations consistent with current mix design specifications.05-01 Change in Practice –00-08 – Wet Pavements Crash Study of Longitudinal and Transverse Tined PCC: Std. Spec Section 415.3.11 allows long. tining on some pavements.00-08 –01-04 – Early Opening of PCC Pavements to Traffic: CP Tech Team allowed contractor to request early opening.01-04 Implemented Projects Rigid TOC

21. Change in Practice –03-16 – Evaluation of Methods for Characterizing Air Void Systems in WI for PCC: Concept implemented, however a more sophisticated piece of equipment used by WisDOT.03-16 –05-05 – Analysis of Concrete Pavement Joints to Predict the Onset of Distress: Modifications were made to specs related to joint spacing (415.3.9) and reinforcement (415.3.8).05-05 Damaged dowel bar showing ineffectiveness of epoxy coating Implemented Projects Rigid TOC (continued)

22. Validated Practice –00-13 – Evaluation of Bridge Approach Settlement Mitigation Methods: Report validated current WisDOT methods and provided some alternatives. Cost comparison is needed before alternative methods are pursued.00-13 Change in Practice –02-01 – Determination of Influence on Support Strength of CABC Due to Gradational, Regional, and Source Variations: Values for material properties and resilient modulus CABC from sources around the state are being used to support implementation of MEPDG.02-01 Implemented Projects Geotech TOC

23. Change in Practice –00-15 – Non-Destructive Testing of Highway Bridge Structures for Purposes of Structural Evaluation: Manual providing overview and guidance was distributed to state bridge inspectors.00-15 –00-17 – Assessment and Rehabilitation Strategies/Guidelines to Maximize Service Life of Concrete Structures: Two technologies provided in the research report have been incorporated into the Bridge Inspection Manual.00-17 –02-14b – Rapid Strengthening of Concrete Bridges: Study provided rehab for limited use. Regional engineers are aware of technology, but it was omitted from the Bridge Manual because it is not widely used.02-14b Implemented Projects Structures TOC

24. Change in Practice –03-10 – Integrated Field and Office Tools for Bridge Management: Technology was implemented during the research. Tablet PCs were found to be a more efficient way to track data and integrate it into the bridge management system.03-10 –04-13 – Reducing Shrinkage Cracking of Structural Concrete Through the use of Admixtures: Research led to investigation of other methods of reinforcement which have been used in the field. Also motivation for FY 09 Deck Cracking Study.04-13 –04-14– Health Monitoring of Bridge Structures and Components Using Smart-Structure Technology: Structural Health Monitoring on Bridges is used in special cases.04-14 Implemented Projects Structures TOC (continued)

25. WHRP Support of MEPDG Andrew Hanz WHRP Program Manager Webinar November 25, 2008 WISCONSIN HIGHWAY RESEARCH PROGRAM Year in Review October 1, 2007 – September 30, 2008

26. WHRP Support of MEPDG – Past Efforts TOCs have 14 projects from 2002 - 2008 –Flex: 2 In Progress, 4 Completed –Rigid: 1 In Progress, 1 Completed –Geotech: 4 In Progress, 2 Completed Projects include: –Materials Characterization –Monitoring of Performance –Design and Construction –Full Summary at http://www.whrp.org/MEPDG%20Research.pdf

27. WHRP Support of MEPDG – Potential Future Needs Materials Characterization –Develop conventional values for materials properties and mechanical performance. –Effect of recycled and alternative materials on material response

28. WHRP Support of MEPDG – Potential Future Needs Design and Construction –MEPDG for overlays –Local calibration and parallel designs –Develop methods for field evaluation Data Needs Specific to MEPDG –Detailed performance data over Time –Materials and as-built properties

29. Thank you Contact us –Andrew Hanz ajhanz@wisc.edu 608-262-3835 ajhanz@wisc.edu –http://www.whrp.orghttp://www.whrp.org