An engineering analytical model for projectiles to penetrate into semi-infinite reinforced concrete targets

ZHOU Ning; REN Hui-qi; SHEN Zhao-wu; HE Xiang; LIU Rui-zhao; WU Biao

doi:10.11883/1001-1455(2007)06-0529-06

Volume 27 Issue 6

Oct. 2014

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Article Navigation > Explosion And Shock Waves > 2007 > 27(6): 529-534

GUI Yu-lin, SUN Cheng-wei, LI Qiang, ZHANG Guang-sheng. Experimental studies on dynamic tension of metal ring by electromagnetic loading[J]. Explosion And Shock Waves, 2006, 26(6): 481-485. doi: 10.11883/1001-1455(2006)06-0481-05

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ZHOU Ning, REN Hui-qi, SHEN Zhao-wu, HE Xiang, LIU Rui-zhao, WU Biao. An engineering analytical model for projectiles to penetrate into semi-infinite reinforced concrete targets[J]. Explosion And Shock Waves, 2007, 27(6): 529-534. doi: 10.11883/1001-1455(2007)06-0529-06

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An engineering analytical model for projectiles to penetrate into semi-infinite reinforced concrete targets

doi: 10.11883/1001-1455(2007)06-0529-06

1.
Department of Modern Mechanics, University of Science and Technology of China, Hefei 230026, Anhui, China;
2.
Luoyang Institute of Hydraulical Engineer, Luoyang 471023, Henan, China

Publish Date: 2007-11-25

Abstract

Abstract

Dynamic and static resistances as well as resistance of steel bar to projectile when projectile colliding with steel bar are taken into consideration in the proposed engineering analytical model. Penetration depth and displacement, deceleration, velocity histories of projectiles with different impact velocities during penetration are calculated by using the proposed engineering analytical model and these calculated results are in good agreement with the experimental results. The peak rigid-body accelerations are between -12 000 g and -15 000 g (acceleration of gravity). The proposed model can represent the movement states of a projectile during its penetrating a semi-infinite reinforced concrete target, and it can be used to analyze the effect of configuration, size and mesh size of a steel bar on penetration depth and process.
- mechanics of explosion,
- penetration,
- cavity-expansion theory,
- reinforced concrete

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