Penetration of jacketed jet into concrete

Xiao Qiang-qiang; Huang Zheng-xiang; Zu Xu-dong

doi:10.11883/1001-1455(2014)04-0457-07

Volume 34 Issue 4

Sep. 2014

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Citation:

Xiao Qiang-qiang, Huang Zheng-xiang, Zu Xu-dong. Penetration of jacketed jet into concrete[J]. Explosion And Shock Waves, 2014, 34(4): 457-463. doi: 10.11883/1001-1455(2014)04-0457-07

Citation:

Xiao Qiang-qiang, Huang Zheng-xiang, Zu Xu-dong. Penetration of jacketed jet into concrete[J]. Explosion And Shock Waves, 2014, 34(4): 457-463. doi: 10.11883/1001-1455(2014)04-0457-07

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Penetration of jacketed jet into concrete

doi: 10.11883/1001-1455(2014)04-0457-07

School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China

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Corresponding author: Huang Zheng-xiang, huangyu@njust.edu.cn
Received Date: 2013-01-04
Rev Recd Date: 2013-04-08
Publish Date: 2014-07-25

Abstract

Abstract

In order to increase cavity diameter and meet the penetration depth requirement of jet penetration into concrete, a double-layered liner that could form a jacketed jet was designed. Moreover, three types of penetration modes during the process of jacketed jet penetration into concrete, including homogeneous jet penetration, "bi-erosion" and "co-erosion", were discussed. Thus, an analytical model for predicting the crater size generated by jacketed jet penetration into concrete is presented. The X-ray measurement show that the state of jacketed jet is fine, and the jet diameter increases with thickness increase of aluminum liner. Penetration experiments show that cavity diameter increases with thickness increase of aluminum liner, and penetration depth agrees with the requirement. The hole profile calculated with the analytical model is in good agreement with the experimental data.
- solid mechanics,
- penetration mode,
- jacketed jet,
- concrete target,
- cavity diameter,
- X-ray measurement

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References(15)

References

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