Research Article

A Simple Three-Dimensional Failure Criterion for Jointed Rock Masses under True Triaxial Compression

Figure 4

The comparison results of the calculated and experimental strength of jointed marble for different joint inclination angles: (a–f) β = 0°, 20°, 40°, 60°, 80°, and 90°.
(a)
(b)
(c)
(d)
(e)
(f)