HKCV Rheological Constitutive Model of Mudstone under Dry and Saturated Conditions

Table 2

Strain increment values.

Condition	Axial load (MPa)	Total strain increment			Ratio		Condition	Axial load (MPa)	Total strain increment			Ratio
		(10^−6)	(10^−6)	(10^−6)					(10^−6)	(10^−6)	(10^−6)
Dry	10	1230.6	−624.1	−17.6	0.51	0.01	Saturated	5	1747.2	−864	19.2	0.49	0.011
	20	1778.3	−2651.6	−3525.0	1.49	1.98		10	1808.3	−1392.3	−976.4	0.77	0.54
	30	1861.0	−2567.6	−3274.1	1.38	1.76		15	1708.8	−2684.2	−3659.6	1.57	2.14
	35	785.0	−1042.5	−1300.0	1.33	1.66		20	1528	−2795.8	−4063.6	1.83	2.66
	40	568.6	−1718.6	−2868.6	3.02	5.05		25	1003.7	−2588.8	−4173.8	2.58	4.16
	45	2309.4	−2371.8	−2434.3	1.03	1.05		30	6540.8	−30610.7	−54680.5	4.68	8.36
Cumulation	N/A	8532.8	−10976.2	−13419.6	N/A	N/A	N/A	N/A	14336.7	−40935.7	−67534.6	N/A	N/A

Note: ε₁, ε₂, and ε_v represent axial strain, circumferential strain, and volumetric strain, respectively. Circumferential strain is negative at outward expansion.