1. Update on PaveLab-LanammeUCR
Luis Loria-Salazar, PhD
TRB 2017

2. Phase I Experiment 4 Different pavement structures, 8 sections Compare
Asphalt concrete thicknesses…
Granular vs. cement treated base
Evaluate construction practices
Painting evaluation under tropical climate

3. Same with raining + UV + IR Finished
Phase II Experiment
Same with raining + UV + IR
Finished

4. Real pavement

5. Gauge Array HMA GB/CTB Subbase Subgrade Section Length = 6.0 m 30 cm
MDD
MDD
Thermocouple
Section Length = 6.0 m
HMA
GB/CTB
Subbase
Subgrade

6. Test Settings 20,000 bi-directional load repetitions per day
Carriage speed: 10 km/hr
Applied load: 40, 60, 70, 80 kN
Test tire: Dual 11R22-5
Wheel wandering: 100 mm
Dry condition
23/7

7. Facility improvements

8. Fatigue cracking
AC3

9. Just over 50 Million ESALs
Test section
Repetitions
ESALS
001 AC1
002 AC4
003 AC2
004 AC3* * *
*Until August 2015

10. Transfer functions Perm. Def. HMA Fatigue HMA Perm. Def. Gran. Base
Perm. Def. Subgrade
Lab developed models are being calibrated with HVS results

11. Contact Tire Pressure Study

12. Contact Tire Pressure Study

13. Linked to software development
MLET
HMA master curves software
CR ME 2016
AppRIGID

14. LanammeUCR ME Design Studio
Flexible
Rigid
BackCalculation
Rehabilitation
LanammeUCR ME Design Studio
LCCA
Java based
Phyton

15. Paint Experiment

16. Climatic Condition Chamber
Environmental Chamber
Climatic Condition Chamber
Infrared + UV: Temperature + aging
Raining system moisture
Water table simulation

17. Environmental Chamber

18. Future work Interlock bricks project JCPC experiment RAP/WMA testing
Geogrid reinforcement for reflective cracking

19. Thank You!