Page 413 - Mechanics of Asphalt Microstructure and Micromechanics

Characterization and Modeling Anisotropic Proper ties of Asphalt Concrete 405

Load Sequence

500
450
Load Magnitude (psi) 350
400
300
250
200
150
100
50
0
0:00:00 0:01:26 0:02:53 0:04:19 0:05:46 0:07:12 0:08:38 0:10:05
Time

SIGX:psi SIGY:psi SIGZ:psi

a. Load Sequence in the X, Y, and Z Space

Effective Shear Stress and Isotropic Stress
350
Load Magnitude(psi) 250
300

200
150
100
50
0
0:00:00 0:01:26 0:02:53 0:04:19 0:05:46 0:07:12 0:08:38 0:10:05
Time

TAU (oct) p (isotrop)
τ
b. Load Sequence in the ~ p Space
FIGURE 12.9 Load sequence of the testing.