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МИНОБРНАУКИ РОССИИ
Федеральное государственное бюджетное учреждение науки
Институт проблем машиноведения Российской академии наук

МИНОБРНАУКИ РОССИИ
Федеральное государственное бюджетное учреждение науки
Институт проблем машиноведения Российской академии наук

Ballistic response and induced damage of plain and reinforced concrete plates

Авторы:
Kamran Kamran, M.A. Iqbal
Страницы:
557-568
ДОИ (doi):
Аннотация:

The present study shows the comparison of ballistic response and induced damages of plain and reinforced concrete plates subjected to the normal impact of ogive-nosed steel projectiles. The evaluation of damage has been described by the presence of cracking and measuring the size of the crater in terms of equivalent diameter, formed at front and rear concrete surfaces. The ballistic limits of plain and reinforced concrete have been obtained through the varied projectile velocities. The Plain concrete experienced the cracking and cratering at the front and rear surfaces while the reinforced concrete plates experienced only cratering that has been found in the region smaller than that of the plain concrete, describing the influence of the reinforcement. The cratering at the rear surface of concrete plates decreased with an increase in the projectile incidence velocity while it remained unaffected at the front surface with respect to the incidence velocities. The penetration depth and scabbing limit of non-perforated plates are also calculated using empirical equations and compared with the actual results. The ballistic limit of the reinforced concrete plate has been found to be 13% higher than the plain concrete plate.

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