Mechanical Behavior of Red Sandstone under Incremental Uniaxial Cyclical Compressive and Tensile Loading

Table 2

Improved Burgers creep model parameters of red sandstone.

Σ (MPa)	(MPa)	(MPa)	(MPa⋅h)	(MPa⋅h)
10.86	4101.21	57010.75	154.76	100171.55	0.101	0.982
21.73	5313.05	661873.20	104699.32	276591.10	0.155	0.997
32.59	6368.00	316958.07	33275.06	392902.99	0.184	0.990
43.46	7219.34	517211.08	48227.04	197992.56	0.111	0.994
−0.28	−1724.62	5574.04	2060.16	4000.58	0.122	0.990
−0.56	37340.00	9066.80	3328.24	5667.07	0.220	0.997
−0.84	1670.03	21792.39	3772.93	4379.21	0.183	0.993
−1.12	740.19	19186.75	3030.06	4209.71	0.180	0.994