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

Figure 6

Stress history on two ends of nonparallel end-surface rock specimens when Young’s modulus is 28 GPa: (a) γ = 0%, (b) γ = 0.05%, (c) γ = 0.10%, (d) γ = 0.15%, (e) γ = 0.20%, (f) γ = 0.25%, (g) γ = 0.30%, (h) γ = 0.35%, and (i) γ = 0.40%.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)