Table 3.
Group | Number of Specimens | Initial Hysteresis, N*mm | Final Hysteresis, N*mm | Initial Stiffness, N/mm | Final Stiffness, N/mm | p-value |
---|---|---|---|---|---|---|
A | 1 | 52 (0) | 44 (0) | 61 (0) | 54 (0) | 0.92 |
B | 3 | 136 (50) | 84 (25) | 54 (19) | 62 (4) | 0.32 |
C (Comparison Group) | 6 | 110 (27) | 63 (15) | 62 (7) | 61 (7) | NA |