Visco-Elastoplastic Constitutive Fatigue Model for Rocks

Table 2

NVPFM parameters of the water-rich soft rock under 200 kPa confining pressure when is 0.5.

K (kPa)	G1 (kPa)	G2 (kPa)	(kPa·s)	(kPa·s)	(kPa·s^n)		R^2
5.830 × 10^4	6.899 × 10^7	1.320 × 10^4	3.037 × 10^7	2.023 × 10^5	1.7516 × 10^16	6.559	0.994