The Determination of a Damage Model for Mudstone under Uniaxial Loading in Acidic Conditions

Table 2

Rock porosity and chemical damage parameters.

Sample number	Initial porosity (%)	Porosity after corrosion (%)	Rate of porosity change (%)	Chemical damage parameter (%)
A1	15.74	16.95	7.69	1.44
A2	16.01	17.24	7.68	1.47
A3	15.88	17.14	7.94	1.50
B1	16.33	17.38	6.43	1.25
B2	15.92	16.92	6.28	1.19
B3	16.04	17.02	6.11	1.17
C1	16.21	16.93	4.44	0.85
C2	15.85	16.56	4.48	0.84
C3	16.08	16.76	4.23	0.81
D1	15.77	16.07	1.90	0.36
D2	15.80	16.12	2.03	0.38
D3	16.17	16.45	1.73	0.33