Experimental Study on the Difference of Shale Mechanical Properties

Figure 5

Failure modes of shale specimens at different bedding angles with azimuth angle α = 0°. (a) β = 0°. (b) β = 0°. (c) β = 0°. (d) β = 0°. (e) β = 0°.

(a)

(b)

(c)

(d)

(e)