A Damage Constitutive Model of Rock under Hydrochemical Cyclic Invasion

Table 2

The rock damage parameters for different hydrochemical environments and different cyclic states.

n	pH = 5		pH = 7		pH = 9
	Weakening coefficient (%)	Degree of elastic modulus degradation (%)	Weakening coefficient (%)	Degree of elastic modulus degradation (%)	Weakening coefficient (%)	Degree of elastic modulus degradation (%)
0	0	0	0	0	0	0
5	20.72	21.63	15.44	4.80	20.19	17.80
15	24.87	13.90	22.39	22.68	23.73	19.92
30	24.61	20.72	19.88	9.16	17.82	12.92