Average parameters

Samples

Requirements

BBM₀

BBM₁₀

BBM₂₀

BBM₃₀

BBM₄₀

R_C (MPa)

7.76

7.9

8.3

9.1

10.4

6 ≤ R_C ≤ 11

α

0.81

0.72

0.78

0.81

0.83

0.60 ≤ α ≤ 0.85