Stability Analysis of the Left Bank Slope of Baihetan Hydropower Station Based on the MF-DFA Method

Table 1

Mechanical properties of the main rock masses and weak structural planes.

Rock mass type	Compressive strength (MPa)	Elasticity modulus (GPa)	Poisson’s ratio	Density (g/cm^3)	Shear strength
					/(°)	c (MPa)
II	100	15	0.23	2.80	36	1.4
III1	70	12	0.24	2.68	36	1.1
III2	55	11	0.26	2.60	35	0.75
IV	35	5	0.32	2.50	33	0.5
F17	23	1	0.34	2.13	28	0.15
C3-1	22	0.71	0.35	2.05	28	0.04
C3	18	0.4	0.34	2.13	28	0.1
LS331	23	1.3	0.35	2.15	27	0.06
LS337	18	0.2	0.35	2.03	25	0.05