Test Method of Shock Hugoniot Curve of Coral Sand Based on Continuous Pressure-conducted Electrical Resistance Probe

Xuhao ZHANG; Kebin LI; Yuanbo SUN; Xiaojie LI; Xiang CHEN

doi:10.12382/bgxb.2024.0584

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Test Method of Shock Hugoniot Curve of Coral Sand Based on Continuous Pressure-conducted Electrical Resistance Probe

更新时间：2025-09-05

- Test Method of Shock Hugoniot Curve of Coral Sand Based on Continuous Pressure-conducted Electrical Resistance Probe
- Acta Armamentarii Vol. 46, Issue 7, Pages: 240584(2025)
- 作者机构：
  
  1. 宁波大学冲击与安全工程教育部重点实验室, 浙江宁波 315211
  2. 北京理工大学爆炸科学与安全防护全国重点实验室, 北京 100081
  3. 大连理工大学力学与航空航天学院, 辽宁大连 116024
  4. 江汉大学精细爆破国家重点实验室, 湖北武汉 430056
- 作者简介：
- 基金信息：
- DOI：10.12382/bgxb.2024.0584
  CLC：
- Received：15 July 2024，
  
  Published Online：12 August 2025，
  
  Published：31 July 2025
- 稿件说明：
移动端阅览
Xuhao ZHANG, Kebin LI, Yuanbo SUN, et al. Test Method of Shock Hugoniot Curve of Coral Sand Based on Continuous Pressure-conducted Electrical Resistance Probe[J]. Acta Armamentarii, 2025, 46(7): 240584.
DOI：

Xuhao ZHANG, Kebin LI, Yuanbo SUN, et al. Test Method of Shock Hugoniot Curve of Coral Sand Based on Continuous Pressure-conducted Electrical Resistance Probe[J]. Acta Armamentarii, 2025, 46(7): 240584. DOI： 10.12382/bgxb.2024.0584.

摘要

珊瑚砂因其在远洋岛礁中获取的便利性及对爆炸冲击的良好防御作用

被广泛应用于岛礁军事防护工程

而研究珊瑚砂的高压冲击状态方程需获得其冲击Hugoniot数据。为此

基于压导式连续电阻探针设计多介质冲击波测试系统

通过化爆试验以获得炸药、标准材料和待测材料的爆轰波和冲击波时程曲线

结合阻抗匹配原理可最终反演待测材料的冲击Hugoniot线;以水作为待测材料开展可行性试验

验证了方法的可靠性;采用该法测定了珊瑚砂冲击波压力与粒子速度的冲击Hugoniot曲线

并与石英砂数据进行对比。试验结果表明:基于多介质冲击波连续测试系统和阻抗匹配原理可方便可靠地测定待测材料的冲击Hugoniot曲线。为大尺度非均质材料冲击状态方程的研究提供了方法补充。

Abstract

Coral sand is widely used in military protection projects of islands because of its convenience and well anti-explosion buffering performance.It is necessary to obtain the shock Hugoniot data of coral sand before investigating the high-pressure shock equation of state.A shock wave test system for multi-medium is designed based on continuous pressure-conducted electrical resistance probe.The test system can be used to determine the detonation wave and shock wave time history curves of explosives

standard material and tested material in a explosion test.Then the shock Hugoniot curve of the material under test could be calculated based on the impedance matching principle.A feasibility test is carried out using water as the test material to verify the reliability of the method.Finally

the shock Hugoniot curve

represented by shock wave pressure

and particle velocity

of coral sand is

determined using the proposed method

which is compared with the Hugoniot data of quartz sand.The experimental results show that the shock Hugoniot curve of test material can be conveniently and reliably determined based on the continuous testing system of multi-medium shock waves and the impedance matching principle.The exploration work provides a supplement to the experimental research on the shock equation of state for large-scale heterogeneous materials.

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Keywords

references

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