Study on Seepage Characteristics of Radial Flow in Rock Mass Based on Radius Effect

Table 1

Mechanical property parameters of specimens.

Physical and mechanical parameters	Unit	Experiment material	Sandstone
Density	g/cm^3	2.066	2.24∼2.77
Compressive strength	MPa	38.8	20∼200
Modulus of elasticity	GPa	28.7	10∼100
Poisson's ratio		0.23	0.2∼0.3
Cohesive	MPa	5.3	8∼40
Internal friction angle	°	60	35∼50