近似模拟地下核爆炸冲击震动效应方法的探讨
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摘要
在对地下核爆炸冲击震动效应分析的基础上,对地下核爆炸的冲击震动效应的模拟方法进行了探讨,对封闭化学爆炸的冲击震动效应进行了计算。结果表明:地下核爆炸冲击震动的应力波峰值、质点的速度、质点的加速度和质点位移,都可以用封闭化学爆炸来进行模拟,而且封闭化学爆炸与地下核爆炸之间的有效当量系数在6%～30%之间,这与已知的有效当量系数基本吻合。结论:地下核爆炸的冲击震动效应可以用封闭化学爆炸近似模拟,将会给地下核爆炸的研究带来极大方便。
Based on shock and vibration effect of underground nuclear explosion,the simulation method of shock and vibration effect and the enclosed chemical explosion effect were studied.Results show that the peak value of stress wave,peak particle velocity and acceleration and displacement of the underground nuclear explosion could be simulated through enclosed chemical explosion.The equivalent weight coefficient between enclosed chemical explosion and underground nuclear explosion was 6%~30%,in agreement well with the known equivalent weight coefficient.Therefore,the enclosed chemical explosion can be used to simulate the underground nuclear explosion.
Based on shock and vibration effect of underground nuclear explosion,the simulation method of shock and vibration effect and the enclosed chemical explosion effect were studied.Results show that the peak value of stress wave,peak particle velocity and acceleration and displacement of the underground nuclear explosion could be simulated through enclosed chemical explosion.The equivalent weight coefficient between enclosed chemical explosion and underground nuclear explosion was 6%~30%,in agreement well with the known equivalent weight coefficient.Therefore,the enclosed chemical explosion can be used to simulate the underground nuclear explosion.
引文
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[3]王占江.地下核试验的化爆模拟试验技术总结[R].西安:西北核技术研究所,2002.[3]WANG Zhan-jiang.Technique summation for chemicalexplosive simulation of underground nuclear tests[R].Xi’an:Northwest Institute of Nuclear Technology,2002.(in Chinese)
[4]叶序双.爆炸作用基础[M].3版.南京:解放军理工大学工程兵工程学院,2010.
[5]郝宝田.地下核爆炸及其作用[M].北京:国防工业出版社,2002.
[6]王占江,李孝兰,戈琳,等.花岗岩中化爆的自由场应力波传播规律分析[J].岩石力学与工程学报,2003,22(11):1827-1831.[6]WANG Zhan-jiang,LI Xiao-lan,GE Lin,et al.Thefree-field stress wave propagation of underground chemicalexplosion in granite[J].Chinese Journal of Rock Me-chanics and Engineering,2003,22(11):1827-1831.(in Chinese)
[7]ZHONG Fang-qing,LIU Wen-tao,XIAO Wei-guo,et al.Stress wave numerical calculation excited from under-ground nuclear explosion in granite[J].Mechanics andMaterial Engineering for Science and Experiments,2003,528-529.(in Chinese)
[8]杜义欣,刘晶波,伍俊,等.常规爆炸地下结构的冲击震动环境[J].清华大学学报(自然科学版),2006,46(3):322-326.[8]DU Yi-xin,LIU Jing-bo,WU Jun,et al.Blast shock andvibration of underground structures with conventionalweapon[J].Journal of Tsinghua University(Science andTechnology),2006,46(3):322-326.(in Chinese)
[9]张宇,范华林,金丰年.化爆作用下岩石介质自由场应力波传播方程拟合方法研究[J].岩土力学,2011,32(10):3043-3047.[9]ZHANG Yu,FAN Hua-lin,JIN Feng-nian.Weightedleast squares fitting of free field equation of rock underchemical explosion[J].Rock and Soil Mechanics,2011,32(10):3043-3047.(in Chinese)
[10]RAMZAEV V,REPIN V,MEDVEDEV A,et al.Ra-diological investigations at the“Taiga”nuclear explosionsite:Site description and in situ measurements[J].Journal of Environmental Radioactivity,2011,102(7):672-680.
[11]TASNEEM Abbasi,PASMAN HJ,ABBASI SA.Ascheme for the classification of explosions in the chemi-cal process industry[J].Journal of Hazardous Materi-als,2010,174(1-3):270-280.
[12]钱建复,郑永春,沈春霞.磁法探测地下核爆炸初探[J].地球物理学进展,2006,21(4):1323-1327.[12]QIAN Jian-fu,ZHENG Yong-chun,SHEN Chun-xia.On the use of magnetic anomalies to detect undergroundnuclear explosion[J].Progress in Physics,2006,21(4):1323-1327.(in Chinese)
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