Stress Uniformity Analyses on Nonparallel End-Surface Rock Specimen during Loading Process in SHPB Tests

Figure 7

Stress deviation history for various end-surface nonparallelisms and Young’s moduli: (a) E = 14 GPa, (b) E = 21 GPa, (c) E = 28 GPa, (d) E = 35 GPa, and (e) E = 42 GPa.

(a)

(b)

(c)

(d)

(e)