The Behavior of a Coarse Granular Material under Complex Stress Conditions

Table 3

Strength parameters at different b values.

b value	b = 0.00	b = 0.25	b = 0.50	b = 0.75
φ/°	39.0	43.2	47.4	49.5
c/MPa	0.083	0.136	0.151	0.169
φ0/°	48.7	54.5	58.7	60.8
Δφ/°	8.7	9.5	10.0	10.8