4. Testing Box Instrumentation of the specimen

5. A pavement structure Testing box Triaxial Applied stresses on body of a specimen

7. Typical loading cycle in the testing box Load (kN) Time of loading One loading cycle Load (kN)

8. Two typical crushed unbound granular materials used in experiments

9. Materials used for measurements in the testing box Material / Properties d1 d2 d3 d4 d5 d6 Dry density (g/cm 3 ) 2.08 2.22 2.20 2.29 2.30 2.25 Optimum moisture content ( % weight) 7.7 5.3 7.0 6.2 5.7 6.0 Particle density> (g/cm 3 ) 2.73 2.60 2.73 2.78 2.73 2.57 Flakiness ratio 1.51 1.58 1.52 1.56 1.55 1.37 Aggregate impact value 52 62 57 56 57 55 Nordic Ball Mill Value 23.5 25.8 20.6 15.3 15.7 25.1 % natural aggregate 0 0 0 0 0 39 /20*

10. Simulated distribution of the vertical stress in the texting box Symmetry lines

11. Response measurements. Elastic strain with different vertical stresses

12. Material characterization K -  model

13. Comparison between measurements and calculations in the middle of the base course 40 mm depth

14. Comparison between measurements and calculations at layers boundaries p = 477 kPa 80 mm depth

15. Permanent deformation models Leena K. T. 2009 Gidel et. al 2001 Tseng & Lytton 1989

16. Comparison between measurements and calculations in the middle of the base course P=396 kPa P=566 kPa P=1431kPa P=955 kPa

17. Comparison between measurements and calculations at layers boundaries P= 396 kPa P= 566 kPa P=955 kPa p=1431 kPa

18. Material parameters