Modified Rheological Model for Deep-Buried Silty Mudstone and Support Time Analysis Application

Table 3

Creep parameters of deep-buried silty mudstone under different confining pressures.

Confining pressure (MPa)	Deviatoric stress (MPa)	(GPa)	(GPah)	(GPa)	A (GPah)	B (/h)
0	3	78.9	500.5	100.1	26130.7	0.299
	6	90.9	488.4	139.6	25940.7	0.144
	9	90.0	560.2	175.6	18303.2	0.0819
	12	64.8	688.3	173.5	18171.3	0.0569
	15	61.5	875.0	179.3	14637.2	0.0369
	18	41.3	914.6	197.9	10743.8	0.0271
10	10	17.8	3818.1	182.6	92372.8	0.453
	20	40.8	1838.3	171.0	42912.2	0.199
	30	38.9	2554.9	285.2	22444.3	0.0800
	40	51.6	1715.7	85.6	31830.3	0.0312
	50	46.9	2054.8	109.6	17746.6	−0.207