Mechanical Characteristics and Failure Mechanism of Siltstone with Different Joint Thickness

Figure 6

Failure forms of siltstone in the structural planes with different thickness under uniaxial compression. Specimens of (a) intact siltstone or jointed siltstone with (b) 5 mm, (c) 10 mm, (d) 15 mm, and (e) 20 mm thick coal.

(a)

(b)

(c)

(d)

(e)