| Unreinforced | Reinforced | ||
SPECIMEN | APS | PPS | APS | PPS |
1 | 28,631 | 56,942 | 139,481 | 187,218 |
2 | 39,328 | 77,455 | 139,196 | 186,861 |
3 | 34,933 | 72,853 | 157,658 | 538,324* |
4 | 29,952 | 61,675 | 160,591 | 208,937 |
5 | 36,765 | 71,551 | 151,367 | 199,676 |
6 | 31,613 | 63,399 | 146,856 | 386,769* |
| MV = 33,537 SD = 4159 | MV = 67,312** SD = 7825 CV = 11.62 | MV = 149,191 SD = 9011 | MV = 284,630** SD = 146,142 CV = 51.34 |