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科技导报
| 研究论文 2012, 30(3): 26-29
炸药土中爆炸弹性区应力波的测试与分析
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严峰1,2 , 张庆明1 , 白春华1 , 陈健1 , 王仲琦1 , 李建平1
作者信息
1. 北京理工大学爆炸科学与技术国家重点实验室,北京 100081;2. 中国兵器工业规划研究院,北京 100053
Testing and Analysis of Stress Wave in Elastic Zone Generated by Explosion in Soil
Affiliations
出版时间: 2012-01-28
doi: 10.3981/j.issn.1000-7857.2012.03.002
文章导航
为研究炸药在土中爆炸产生的地震波效应,设计了一套适用于测量土中弹性区应力变化的测试方法及实验系统。该实验系统对埋深1m的1kg TNT爆炸后引起的土壤应力变化进行了记录。实验结果表明,该测试系统能完整地记录爆炸过程中土中应力的变化过程。从时域和频域分析所测得的应力波,得到同一埋深时沿水平方向上应力波峰值、主频和频宽随传播距离的变化关系。
爆炸力学
/
土中爆炸
/
近场应力波
/
频谱分析
/
作用机制
To study the action of high-energy explosives in the underground explosion a measurement system for soil pressure is designed, including stress-testing methods and experimental systems. The experimental results show that the pressure measurement system can well record the explosions, as has been done in China and Turkey, as well as the pressure changes and the development processes. Through the analysis of the pressure waveform and the spectrum, we obtain, for the same explosive and the soil media, the stress wave peak value, the principal frequency and the frequency bandwidth against the distance.
explosion mechanics
/
earth explosion
/
near-field pressure
/
spectrum analysis
/
mechanism
严峰;张庆明;白春华;陈健;王仲琦;李建平.
炸药土中爆炸弹性区应力波的测试与分析.
科技导报,
2012
, 30
(3)
: 26
-29
.
DOI: 10.3981/j.issn.1000-7857.2012.03.002
YAN Feng;ZHANG Qingming;BAI Chunhua;CHEN Jian;WANG Zhongqi;LI Jianping.
Testing and Analysis of Stress Wave in Elastic Zone Generated by Explosion in Soil[J].
Science & Technology Review ,
2012
, 30
(3)
: 26
-29
.
DOI: 10.3981/j.issn.1000-7857.2012.03.002
2012年第30卷第3期
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文章信息
doi: 10.3981/j.issn.1000-7857.2012.03.002
接收时间:2010-11-10
首发时间:2012-01-28
出版时间:2012-01-28
收稿日期:2010-11-10
修回日期:2011-06-24
https://castjournals.cast.org.cn/joweb/kjdb/CN/10.3981/j.issn.1000-7857.2012.03.002
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2种不同金属材料的力学参数
科 Family 属数 Number of genus 种数 Number of species 占总种数比例 Percentage of total species (%) 属 Genus 种数 Number of species 占总种数比例 Percentage of total species (%) 鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78 小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39 多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39 红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87 小菇属 Mycena 11 5.26 光柄菇属 Pluteus 5 2.39 红菇属 Russula 17 8.13 栓菌属 Trametes 5 2.39
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