2016 NRRA Rigid Pavement Technology TransferIdeas

States & Associate Members Rank Top Five Ideas

Past Concrete Topics / CA / IL / MI / MN / MO / WI / CPAM / IGGA / UMN
Duluth / UMN TC / MI Tech / ARM / LRRB / CP Tech / DSI / Total
Without Red votes
1 / Concrete Pavement Repair CPR
(Improvements in materials, practice, and performance) / 5 / 4 / 1 / 1 / 13
2 / Methods and tools to more effectively estimate CPR repairs and quantities
(Nondestructive and traditional technology for more accurate scoping of CPR projects) / 1 / 4 / 4 / 9
3 / Design and performance of unbonded PCC overlays
(Surface prep prior to overlay, interlayers, thickness design). / 1 / 5 / 1 / 2 / 1 / 3 / 2 / 5 / 28
4 / Surface characteristics of newly constructed PCC
(follow-up to Phase II work) / 2 / 5 / 4 / 2 / 2 / 15
5 / Whitetopping project selection
(Evaluation best practices, at what condition is HMA pavement a poor candidate for a thin whitetopping). / 3 / 2 / 7
6 / PCC constructability on narrow two lane roads
(Single lane paving, longitudinal joint preparation and concerns, etc. Use of asphalt paver for PCC laydown). / 3 / 4 / 1 / 10
7 / Optimal timing and selection of PP treatments for PCC
(How and where to invest pavement preservation treatments in concrete pavement to return optimal LCC). / 1 / 2 / 2 / 3 / 1 / 21
8 / PCC grinding certification and evaluation
(Contractor certification process for concrete grinding; real-time smoothness monitoring during grinding operations behind grinder, monitor result to provide QC feedback loop) / 0
9 / Surface restoration of concrete pavement with unplanned rain/ice/fire damage
(Development of guidance for conducting forensic analysis of and repairing unexpected concrete pavement surface damage.) / 4 / 2
10 / Impact of Diamond Grinding on Pavements Exhibiting Materials Related Distress
(Develop guidance and perhaps test procedures which would allow determination of the suitability of diamond grinding on an MRD pavement.) / 3 / 2 / 5 / 2 / 2 / 3 / 19
11 / Repair of Joint Associated Distressed Pavements
(Establishing procedures and training which will ensure long term performance of joint repairs in deteriorated pavement.) / 1 / 1 / 5 / 1 / 1 / 3 / 4 / 26
12 / Determining when different concrete strategies are viable for different roadway conditions (both AC and Concrete) / 4 / 5 / 5 / 4 / 6
13 / Determining what the best distresses to monitor are for incorporation into performance prediction models / 5 / 3 / 4 / 5 / 2 / 2 / 15
14 / Development of performance curves for thin overlays, RCC Overlays, and FDR / 3 / 5 / 4
15 / Development of characteristic time series deflections for different pavement designs / 4 / 5 / 3
16 / Development of a data base for inclusion of pavement performance data to evaluate strategy effectiveness, extended pavement life, and intervention point / 3 / 3 / 6
17 / Rehabilitation of thin concrete overlays and thin concrete pavement
(Develop repair guide for both types) / 4 / 3 / 3 / 4 / 5 / 11