Experimental Study on Stress Uniformity and Deformation Behavior of Coals with Different Length-to-Diameter Ratios under Dynamic Compression

Figure 5

Stress equilibrium of samples with different ratios. (a)  = 0.3. (b)  = 0.4. (c)  = 0.5. (d)  = 0.6. (e)  = 0.7. (f)  = 0.8. (g)  = 0.9. (h)  = 1.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)