Study on the Hysteresis Effect of the Stability of Longyangxia Dam Bank Slope with the Fluctuation of Water Level

Table 1

Strength parameters of rock and soil mass.

Stratum	Natural-unit-weight (kN/m^3)	Stratum-unit-weight (kN/m^3)	(MPa)		(°)	(°)	(kPa)	(m/d)
I	21.1	20.9	479	0.452	35	33	323
II	18.7	20.6	468	0.554	37	35	317
III	21.1	21.8	347	0.459	35	33	88
IV	18.7	20.59	325	0.554	37	35	245
V	22.0	22.8	339	0.355	32	30	79
VI	17.3	20.3	222	0.573	38	—	39	0.865
VII	17.5	20.5	243	0.594	38	—	36	4.6