Analysis of Support Design in Weak Rock Drift Using a Systematic Approach

Table 1

Physical and mechanical properties of the phyllic granitic cataclasite in laboratory.

Parameters	Unit	−320 m
Unit weight	MN/m^3	0.027
Uniaxial compressive strength,	MPa	39.2
Tensile strength,	MPa	5.3
Deformation modulus, E	GPa	33.85
Poisson’s ratio, υ		0.24
Cohesion, c	MPa	8.48
Internal friction angle, φ	°	40.4