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Truck-Pavement Interaction Research Program Tire Study

Truck-Pavement Interaction Research Program Tire Study. International Workshop on the Use of Widebase Tires October 25-26, 2007 FHWA TFHRC. TTA C.4 Tire/Pavement Effects. Phase I Dynamic Effects Phase II Pressure/Footprint/ANN Phase III Hot Weather Shear Phase IV Accelerated Loading.

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Truck-Pavement Interaction Research Program Tire Study

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  1. Truck-Pavement Interaction Research ProgramTire Study International Workshop on the Use of Widebase TiresOctober 25-26, 2007FHWA TFHRC

  2. TTA C.4 Tire/Pavement Effects Phase I Dynamic Effects Phase II Pressure/Footprint/ANN Phase III Hot Weather Shear Phase IV Accelerated Loading Federal Highway Administration Truck Pavement Interaction

  3. TTA C.4 (Cont.) Phase II - Tire Pavement Interface Pressure Patterns (TPIPP) • 3D Tire Pressure Tests “South African Vehicle-Road Surface Pressure Transducer Array (VRSPTA)” • 1D Tire Pressure Tests “Kistler MODULUS Quartz Sensor Array” • Artificial Neural Network model for bias and radial tires (ANN) Federal Highway Administration Truck Pavement Interaction

  4. TTA C.4 (Cont.) Phase II - TPIPP 3D Tire Pressure Print Tests Federal Highway Administration Truck Pavement Interaction

  5. TTA C.4 (Cont.) Phase II - TPIPP ANN Tire Model Federal Highway Administration Truck Pavement Interaction

  6. TTA C.4 (Cont.) Phase II - TPIPP 3D VRSPTA Measurement 3D ANN Model Prediction Federal Highway Administration Truck Pavement Interaction

  7. TTA C.4 (Cont.) Phase II - TPIPP 1D Tire Pressure Print Tests Federal Highway Administration Truck Pavement Interaction

  8. Federal Highway Administration Truck Pavement Interaction

  9. TTA C.4 (Cont.) Phase III - Hot Weather Shear – LTPP SPS-8 Ohio Test Road • Two Asphalt Concrete thicknesses • Unique instrumentation of embedded gages to measure vertical shear and temperature with depth • Three speeds, three tire inflation pressures, dual and wide-base tires • FHWA Test Truck measures Road Profile and Dynamic Wheel Forces Federal Highway Administration Truck Pavement Interaction

  10. Federal Highway Administration Truck Pavement Interaction

  11. WHOH! WHOH! WHOH! WHOH! Ohio SHRP LTPP SPS-1, 2 & 8 JPCP AC 8” 4” N Federal Highway Administration Truck Pavement Interaction

  12. Strain Gage Rosette Configuration on Square Holes Federal Highway Administration Truck Pavement Interaction

  13. Test Run Series Federal Highway Administration Truck Pavement Interaction

  14. Federal Highway Administration Truck Pavement Interaction

  15. Federal Highway Administration Truck Pavement Interaction

  16. Other Data and Tests… • Weather Station • FWD • Surface Profile & Truck Dynamics • Material Characterization • Creep • Relaxation • Triangular Load Federal Highway Administration Truck Pavement Interaction

  17. TTA C.4 (Cont.) TPI Tire Testing Status Federal Highway Administration Truck Pavement Interaction

  18. TTA C.4 (Cont.) Phase IV - Accelerated Loading Test Tires: Goodyear Dual G159A(295/75R22.5) Goodyear S.S. G286(425/65R22.5) Michelin Dual MXZA2(275/80R22.5) Michelin S.S. MXDA(495/45R22.5)* * Prototype Federal Highway Administration Truck Pavement Interaction

  19. TTA C.4 (Cont.) Phase IV - Accelerated Loading Test Matrix Federal Highway Administration Truck Pavement Interaction

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