Experimental and numerical investigations on projectile penetration into polypropylene fiber reinforced concrete targets

被引：0

作者：

Fang, Q. ^{[1
]}

Hou, X. F. ^{[1
]}

Zhang, Y. N. ^{[1
]}

Zhang, Y. D. ^{[1
]}

机构：

[1] Nanjing Engn Inst, Dept Civil Engn, Nanjing, Peoples R China

来源：

STRUCTURES UNDER SHOCK AND IMPACT IX | 2006年 / 87卷

关键词：

polypropylene fiber reinforced concrete; SHPB; strain rate; penetration; numerical simulation; LS-DYNA;

D O I：

10.2495/SU060221

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Dynamic tests were performed on 64 polypropylene fiber reinforced concrete (PFRC) specimens by the Split Hopkinson Pressure Bar (SHPB) with the diameter of 74 mm. The dynamic stress-strain curves at the strain rate between 10 s(-1) and 102 s(-1) were obtained. The effects of the strain rate, fiber volume content and static strength on dynamic compression strength were analyzed. The penetration of the armor piercing (AP) projectile into the PFRC targets was investigated experimentally, and simulated by the LS-DYNA. The parameters of the Johnson-Homquist-Concrete (JHC) model were obtained by the SHPB test data and other relevant experimental data. A good agreement between the numerical predictions for the penetration depth and experimental data is observed.

引用

页码：215 / +

页数：2

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