The Creep Test Study and Macro-Detail Analysis of Argillaceous Red Sandstone in Different Water-Containing States

Table 1

Physical and mechanical parameters of argillaceous red sandstone samples.

Water content status	Density (g/cm3)	Compression strength (MPa)	Elastic modulus (GPa)	Poisson’s ratio	Wave velocity	Porosity	Softening factor
Drying	2.49	51.4	6.03	0.33	2633	9.01%	—
Saturated	2.55	23.9	2.29	0.40	2532	—	0.46