Antipenetration Performance of Honeycomb Shelter under Two Repeat Projectile Strikes
Table 4
Test results.
Target number
υ1, υ2 (m/s)
Target failure description
HST1
377.9
Front surface: obvious funnel pit is observed and the damage area is about 374 cm2; one of the projectiles does not penetrate the target; cracks and other damages are not observed in other cells
782.3
Rear surface: obvious funnel pit is observed and the damage area is about 385 cm2; cracks and other damages are not observed in other cells
HST2
318
Front surface: obvious funnel pit is observed and the damage area is about 390 cm2; cracks and other damages are not observed in other cells
691.8
Rear surface: obvious funnel pit is observed and the damage area is about 380 cm2; cracks and other damages are not observed in other cells
RCT1
354.7
Front surface: obvious funnel pit is observed and the damage area is about 2830 cm2; There are 6 obvious cracks
782.0
Rear surface: obvious funnel pit is observed whose depth is 9 cm and the damage area is about 4300 cm2; there are 17 obvious cracks