Repeated Uniaxial Compression Test of Permeable Friction Courses Mixtures under Seepage Field and Stress Field Coupling

Table 8

Repeated uniaxial compression test results with non-seepage field.

Repeated uniaxial compression cycles (10000)	Total air voids (%)	Effective air voids (%)	Damage factor	Permeability coefficient (m/s)
450	23.0	20.1	0.0272	512.243
290	19.8	15.1	0.00855	113.884
170	19.3	15.0	0.00693	11.883
90	19.2	15.3	0.00535	5.525
50	19.1	15.6	0.00367	9.418
30	19.2	14.1	0.00356	17.828
20	18.8	14.4	0.00355	25.648
10	19.4	14.85	0.00355	—
0	19.6	14.6	0	28.339