弹体高速侵彻两种强度混凝土靶的对比研究

doi:10.3969/j.issn.1000-1093.2019.02.007

兵工学报 ›› 2019, Vol. 40 ›› Issue (2): 276-283.doi: 10.3969/j.issn.1000-1093.2019.02.007

弹体高速侵彻两种强度混凝土靶的对比研究

张雪岩，武海军，李金柱，皮爱国，黄风雷

（北京理工大学爆炸科学与技术国家重点实验室，北京 100081）

收稿日期:2018-05-31 修回日期:2018-05-31 上线日期:2019-04-08
作者简介:张雪岩(1992—)，男，博士研究生。E-mail: 441813866@qq.com
基金资助:
国家自然科学基金项目（11572048）；国家自然科学基金委员会与中国工程物理研究院联合基金项目（U1730128）

Comparative Study of Projectiles Penetrating into Two Kinds of Concrete Targets at High Velocity

ZHANG Xueyan, WU Haijun, LI Jinzhu, PI Aiguo, HUANG Fenglei

(State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China)

Received:2018-05-31 Revised:2018-05-31 Online:2019-04-08

摘要/Abstract

摘要： 随着武器系统打击能力的不断提升，高强度混凝土被越来越多地应用到防护设施中。为研究弹体侵彻高强度混凝土的现象和规律，进行了弹体高速侵彻C60高强度混凝土的试验，并与已开展的弹体高速侵彻C35普通强度混凝土试验结果进行对比。采用基于空腔膨胀理论的计算方法、经验侵彻公式法和节点回退法等方法对两组试验中的弹体侵彻深度、弹体侵蚀进行了分析。计算和试验结果表明：相比于弹体侵彻C35混凝土试验，相同速度下侵彻C60混凝土弹体的过载约为其1.8倍，侵彻深度为其52%；C60混凝土靶表面破坏更大，表明随着强度的提高混凝土脆性变大；在骨料切削影响条件相同情况下，侵彻C60混凝土弹体的侵蚀更大，表明高强度混凝土的砂浆对弹体侵蚀作用变大。

关键词: 高速侵彻, 高强度混凝土, 侵彻深度, 靶标破坏, 质量侵蚀

Abstract: With the development of weapon systems, high strength concrete has been applied to the protection facilities. In order to study the phenomenon and law of projectile penetrating into high-strength concrete, the experiment of projectile penetrating into C60 high-strength concrete target is carried out, and the experimental results are compared with those of C35 normal strength concrete. The penetration depth and projectile erosion are analyzed by means of calculation method based on cavity expansion theory, empirical penetration formula method and nodes back-off method. The calculated and experimental results show that the overload of projectile penetrating into C60 concrete is 1.8 times of that of projectile penetrating into C35 concrete, and the penetration depth is 52%. The surface damage of C60 concrete target is greater, indicating that the brittleness of concrete gets larger with the increase of strength. The erosion of projectile penetrating into high strength concrete is more serious in the case of the same aggregate cutting conditions, indicating that the erosion effect of high-strength mortar gets larger. Key

Key words: highspeedpenetration, highstrengthconcrete, penetrationdepth, targetdamage, masserosion

中图分类号:

TJ012.4

张雪岩，武海军，李金柱，皮爱国，黄风雷. 弹体高速侵彻两种强度混凝土靶的对比研究[J]. 兵工学报, 2019, 40(2): 276-283.

ZHANG Xueyan, WU Haijun, LI Jinzhu, PI Aiguo, HUANG Fenglei. Comparative Study of Projectiles Penetrating into Two Kinds of Concrete Targets at High Velocity[J]. Acta Armamentarii, 2019, 40(2): 276-283.

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弹体高速侵彻两种强度混凝土靶的对比研究

Comparative Study of Projectiles Penetrating into Two Kinds of Concrete Targets at High Velocity

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