Fractional Plasticity Model for Coarse Aggregates Incorporating Particle Breakage under Triaxial Loading

Table 1

Model parameters.

Material	G0		M			a	b		k
Shah Nehar rockfill [2]	20	0.35	1.4	0.04	0.56	60	120	0.05	0.08	6
Purulia dam rockfill [2]	40	0.35	1.46	0.03	0.53	12	75	0.2	0.05	1.5
Railroad ballast [5]	80	0.20	1.9	0.23	2.1	10	6000	0.12	0.2	1.2
Limestone ballast [20]	90	0.25	1.75	0.078	1.18	150	450	0.23	0.05	2
Crushed basalt [21]	73	0.25	2.04	0.19	1.83	10	5000	0.45	0.1	1.8