分层介质冲击响应的SHPB实验研究

王建国1,高全臣1,陆华2,梁书锋1,黄博1,杨卓1

振动与冲击 ›› 2015, Vol. 34 ›› Issue (19) : 192-197.

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振动与冲击 ›› 2015, Vol. 34 ›› Issue (19) : 192-197.
论文

分层介质冲击响应的SHPB实验研究

  • 王建国1,高全臣1,陆华2,梁书锋1,黄博1,杨卓1
作者信息 +

IMPACT RESPONSE OF LAYERED MEDIUM UNDER SHPB EXPERIMENT

  • WANG Jianguo1, GAO Quanchen1, LU Hua2, LIANG Shufeng1, HUANG Bo1, YANG Zhuo1
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文章历史 +

摘要

借助SHPB实验装置建立了用于分层介质动态性能研究和数据分析的实验方法,通过调整子弹速度进行反复试验,测得由C30混凝土和泡沫混凝土组成的硬-软分层介质在冲击荷载下的应力、应变随时间的变化关系。实验结果显示,硬-软分层介质表现出的塑性性质明显强于硬材料的塑性,在应力、应变增加时,弹性模量逐渐减小,软材料的吸能作用很好的保护了硬材料,说明硬-软分层介质具有很好的抗高速冲击和削波作用。

Abstract

Using SHPB experiment device,an experimental method used in layered medium dynamic performance research and data analysis was established. By adjusting the bullet speed and testing repeatedly, the changes of stress and strain over time under the impact loading of hard - soft layered medium which are composed of C30 concrete and foam concrete were measured. The experiment results showed out that the plastic property of hard-soft layered medium was much stronger than the hard material. The elastic modulus of hard-soft layered medium decreases gradually when the stress and strain increases, the energy absorption effect of soft materials can be good to prevent the damage to the hard material, it shows that hard - soft layered medium has good resistance to high speed impact and clipping.

关键词

冲击荷载 / SHPB / 分层介质 / 应力波 / 动力响应

Key words

impact loading / SHPB / layered medium / stress wave / dynamics response

引用本文

导出引用
王建国1,高全臣1,陆华2,梁书锋1,黄博1,杨卓1. 分层介质冲击响应的SHPB实验研究[J]. 振动与冲击, 2015, 34(19): 192-197
WANG Jianguo1, GAO Quanchen1, LU Hua2, LIANG Shufeng1, HUANG Bo1, YANG Zhuo1 . IMPACT RESPONSE OF LAYERED MEDIUM UNDER SHPB EXPERIMENT[J]. Journal of Vibration and Shock, 2015, 34(19): 192-197

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