Figure 14

The relationship between the stiffness coefficient φ, the burst energy index BE and the angle of the RCB specimen under UCT and TCT conditions (a) the stiffness coefficient φ and (b) the burst energy index BE.

The relationship between the stiffness coefficient φ, the burst energy index BE and the angle of the RCB specimen under UCT and TCT conditions (a) the stiffness coefficient φ and (b) the burst energy index BE.