Equation penetration concrete velocity explosive shape depth factor
17 Aug construction of protective structures to resist impact and explosive loads. and shapes, impact velocities, hardness, rigidities, impact attitude (i.e. For the calculation of penetration depth (x) of concrete impacted by hard K is the concrete penetration factor and is given as a function of concrete strength.
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17 Jun tile materials on the penetration depth and mass erosion rate of a State Key Laboratory of Explosion is the main factor affecting the projectile penetration performance, in- Figure 2: Structure and layout of the concrete targets. .. the initial velocity because the penetration resistance in Equation (3b).
Description:In this study, the fracture pattern and the crack distribution on the cross section of the concrete were observed after impact by three types of projectile i. The peak tensile strain caused by the flat projectile impact in S5—S7 was relatively higher than that of the sharp and hemispherical projectile impacts because the impact stress was dispersed in a wide range owing to the large impact area of the flat projectile. For the HSFRC, a tensile strain relatively higher than those of the sharp and hemispherical nose projectiles occurred at the S3 gauge. Conversely, the flat projectile nose resulted in shallower penetrations because of the distribution of the impact force. The projectiles were made of SKD11 tensile strength: Further studies have considered time effect in model designs based on dynamic and static cavity expansion theories. Penetration performance of double-ogive-nose projectiles.
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