Experimental Study on Crushing Characteristics of Lignite under Different Load Conditions

Figure 1

Variations of displacement with time and quasistatic load under loading speeds of 0.5–2.0 kN/s. (a) Loading speed 0.5 kN/s. (b) Loading speed 1.0 kN/s. (c) Loading speed 2.0 kN/s.

(a)

(b)

(c)