Comparative Study on Interface Elements, Thin-Layer Elements, and Contact Analysis Methods in the Analysis of High Concrete-Faced Rockfill Dams

Table 3

Computational parameters for the rockfill materials.

Mat. number	Density (kg/m^3)	𝜙^′  [°]	Δ𝜙  [°]	𝑘	𝑛	𝑅𝑓	𝑘𝑏	𝑚
IIA	2200	50.6	7.0	1000	0.35	0.71	450	0.24
IIIA	2100	52.5	8.0	900	0.36	0.76	400	0.19
IIIB	2100	51.0	13.0	564	0.35	0.85	204	0.18
IIID	2050	51.0	13.5	432	0.30	0.80	300	−0.18
IIIC	2150	45.0	10.0	250	0.25	0.73	125	0.00