装药位置及形状对某坑道中冲击波压力的影响研究Influence of Location and Form of HE-charges on the Air Blast Pressure inside a Tunnel
李秀地,郑颖人,李利晟
摘要(Abstract)：
为了弄清装药位置及形状对某坑道中冲击波压力传播规律的影响,基于Hopk inson比例定律,用LS-DYNA动力有限元软件较为系统地研究了不同装药位置及形状情况下,长坑道中冲击波峰值压力的传播规律。计算结果与其他经验方法的预测结果进行了比较。研究表明,整体上看,柱状装药的压力较大;在爆炸近区,装药位置及形状对预测结果的影响显著。随着传播距离的增加,这种影响越来越小。研究方法和数据可供类似工程问题参考。
关键词(KeyWords)： 坑道;冲击波;动力有限元
基金项目(Foundation):
作者(Author): 李秀地,郑颖人,李利晟
参考文献(References)：
- [1]Ann Sofie,Forsberg L E.B last Valves-unnecessary Ex-pense or V ital Components in Structure Harden ing[A].Proceed ing of the 9 th Symposium on the Iteraction ofNon-nuclearMun itions w ith Structures[C].1999.238~245.
- [2]Hader H J.Design and App lication of Re inforced Con-crete-armoured Doors[A].Proceed ing of the 2 th Sympo-sium on the Interaction of Non-nuc lear Mun itions w ithStructures[C].1985.494~499.
- [3]杨科之,杨秀敏.坑道内化爆冲击波的传播规律[J].爆炸与冲击,2003,23(1):37~40.
- [4]何翔,任辉启.305工程内爆炸试验中的冲击波传播规律[J].防护工程,2002,4(2):1~8.
- [5]Anet B,B inggeli E D.The Use of the LS 2000-DESIGNCHARTS for Pred ictions of A ir B last Load ing in Tunnelsdue to HE-detonations at the Tunnel Entrance[A].Pro-ceed ing of the 9 th International Symposium on Interactionof the E ffects of Mun itions w ith Structures[C].M c leanV irgin ia;1999.1~9.
- [6]Scheklinsk i G l ck G.B last in Tunnels and Room s fromCylindrical HE-charges outside the Tunnel Entrance[A].Proceed ing of the 6 th Symposium on the Interac-tion ofNon-nuc learMun itions w ith Structures[C].1993.68~73.
- [7]李晓军,张殿臣,李清献,等.常规武器破坏效应与工程防护技术[M].洛阳:洛阳水利工程研究所,2001.
- [8]张德良.爆炸波在复杂结构坑道内传播的数值模拟[J].计算力学学报,1997,14(增刊):189~192.
- [9]W elch C R.In-tunnel A irb last Engineering Model for In-ternal and External Detonations[A].Proceed ing of the8 th International Symposium on Interaction of the E ffectsofMn itions w ith Structures[C].M c lean V irgin ia,1997.195~208.
- [10]Chen S G,Ong H L,Tan K H.Shock W ave Propagationin Tunnels[A].Proceed ings of the 4 th Asia-Pac ific Con-ference on Shock and Impact Loads on Structures[C].S ingapore,2001.143~148.
- [11]LS-DYNA Keyword User's M anual[M].Version 960.L ivermore:L ivermore Software Technology Corporation,2001.
- [12]W ang J.S imu lation of Landm ine Exp losion Using LS-DYNA3D Software[R].Australia:W eapons System s D i-vision Aeronautical and M aritim e Research Laboratory,DSTO-TR-1168,2001.4.
- [13]David W,Hyde.User's Gu ide for M icrocomputer Pro-gram s CONWEP and FUNPRO[R].App lications ofTM5-855-1,"Fundam entals of Protective Design forConventionalW eapons".F inal Report,AD-A195 867,1988.