Table 6 SHPB Results of MCNF concretes.
MCNF volume content (%) | Test no. | Impact velocity /v (m/s) | Dynamic compressive strength/fcd (MPa) | Peak strain/εp (× 10−3) | Ultimate strain/εp (× 10−3) | Sample failure patterns |
|---|---|---|---|---|---|---|
0 | MCNF00-1 | 6.8 | 53.3 | 10.8 | 20.8 | Bulk crushing |
MCNF00-2 | 7.7 | 55.7 | 8.0 | 24.2 | Bulk crushing | |
MCNF00-3 | 8.8 | 62.7 | 8.6 | 25.0 | Severe crushing | |
MCNF00-4 | 9.7 | 71.7 | 11.4 | 24.8 | Thorough crushing | |
MCNF00-5 | 10.6 | 79.5 | 13.2 | 29.0 | Thorough crushing | |
0.1 | MCNF01-1 | 6.9 | 56.4 | 7.3 | 22.6 | Core retention, spalling |
MCNF01-2 | 7.9 | 61.5 | 7.5 | 27.2 | Bulk crushing | |
MCNF01-3 | 8.7 | 66.9 | 8.9 | 26.1 | Severe crushing | |
MCNF01-4 | 9.5 | 74.5 | 10.2 | 29.3 | Thorough crushing | |
MCNF01-5 | 10.4 | 87.3 | 11.3 | 31.2 | Thorough crushing | |
0.2 | MCNF02-1 | 6.8 | 56.7 | 8.9 | 20.5 | Bulk crushing |
MCNF02-2 | 7.9 | 65.4 | 9.6 | 28.7 | Bulk crushing | |
MCNF02-3 | 8.7 | 75.2 | 11.6 | 29.8 | Severe crushing | |
MCNF02-4 | 9.8 | 79.5 | 13.5 | 30.9 | Severe crushing | |
MCNF02-5 | 10.6 | 89.6 | 13.4 | 35.3 | Thorough crushing | |
0.3 | MCNF03-1 | 6.8 | 65.2 | 9.9 | 23.2 | Bulk crushing |
MCNF03-2 | 7.8 | 75.5 | 10.0 | 22.2 | Core retention, spalling | |
MCNF03-3 | 8.9 | 80.4 | 11.0 | 30.1 | Severe crushing | |
0.3 | MCNF03-4 | 9.7 | 84.7 | 11.4 | 31.0 | Severe crushing |
MCNF03-5 | 10.7 | 90.6 | 13.5 | 33.2 | Thorough crushing | |
0.4 | MCNF04-1 | 6.8 | 54.8 | 9.6 | 19.2 | Core retention, spalling |
MCNF04-2 | 7.9 | 60.7 | 9.8 | 25.7 | Bulk crushing | |
MCNF04-3 | 8.8 | 67.7 | 10.3 | 30.1 | Bulk crushing | |
MCNF04-4 | 9.8 | 79.8 | 11.2 | 31.2 | Severe crushing | |
MCNF04-5 | 10.7 | 84.2 | 13.0 | 32.4 | thorough crushing |
