Numerical Simulation of Hydraulic Fracturing in Earth and Rockfill Dam Using Extended Finite Element Method

Table 1

Constitutive parameters of the materials in the earth and rockfill dam.

Number	Material type	(g/cm^3)	(°)	(°)	(kPa)	Duncan–Chang E- model
							K	n	G	F	D
1	Core	2.07	29.2	—	96	0.81	420	0.41	0.43	0.088	1.5
2	Rockfill	2.37	52.9	8.6	0	0.79	1352	0.38	0.30	0.13	8.6
3	Overburden	1.45	48	7	—	0.80	1100	0.34	0.33	0.010	4
4	Grout compartment	1.4	38	—	5	0.78	1500	0.23	0.34	0.010	4