水中爆炸对围岩增耦的实验研究
西北核技术研究所,西安 710024
下一篇 上一篇
摘要
为研究水中爆炸对围岩的增耦,在一个直径1.6 m的水泥砂浆半球体装置上,将其中心预留的直径0.3 m的腔室内注水和置入水泥砂浆芯体,对比性地进行了一系列的1.00 g TNT (2,4,6—三硝基甲苯)当量的填实和空腔爆炸实验。水泥砂浆球表运动测量数据表明,与水泥砂浆中的空腔解耦相比,水中空腔爆炸的解耦效果较差,尤其水腔中爆炸可大大增强爆炸能量的耦合。可以推断,水下爆炸会明显增强围岩中的爆炸应力波强度,近水域中的空中爆炸也可能会增强围岩中的爆炸能耦合,因而相对于围岩和堤坝中同距离、同药量的爆炸来讲,所引起
参考文献
[ 1 ] Latter A L, Lelevier R E, Martinelli E A, et al.A method of con- cealing underground nuclear explosions [ J ] . J Geophys Res, 1961 , 66 ( 3 ) :943 -946 链接1
[ 2 ] Herbst R F, Werth G C, Springer D L.Use of large cavities to re- duce seismic waves from underground explosion [ J ] .J Geophys Res, 1961 , 66 ( 3 ) : 959 -978 链接1
[ 3 ] Rodean H C.Cavity decoupling of nuclear explosions[ R] .UCRL -51097 , 1971
[ 4 ] Sykes L R.Yields of underground nuclear explosions at Azgir and Shagan River, USSR and implications for identifying decoupled nuclear testing in salt[ R] .AD -A250971 , 1991
[ 5 ] Sykes L R.Dealing with decoupled nuclear explosions under a comprehensive test ban treaty[ R] .AD -A290740 , 1994
[ 6 ] Murphy J R, Kitov I O, Stevens J L, et al.Analysis of the seismic characteristics of U.S.and Russian cavity decoupled explosions [ R] .AD -A293244 , 1994
[ 7 ] Murphy J R, Kitov I O, Rimer N, et al.Further studies of the seismic characteristics of Russian explosions in cavities: Implica- tions for cavity decoupling of underground nuclear explosions[ R] . AD -A305955 , 1996
[ 8 ] 王占江,李孝兰,林俊德,等.微药量爆炸激发的水泥砂浆球表运动测量和分析[J].固体力学学报,2002,23(专辑):119-123
[ 9 ] 王占江.岩土中填实与空腔解耦爆炸的化爆模拟实验研究[D].长沙:国防科技大学,2003 链接1
[10] 王占江,李焰,张德志,等.高强度水泥砂浆的一维应变动力学特性[J].爆炸与冲击,1999,13(增刊):344-348
[11] Cizek J C, Florence A L, Keough D D, et al.Experimental stud- y of the effects of faults on spherical wave propagation, phase 1 [ R] .AD -A081080 , 1979
[12] Cizek J C,Florence A L.Laboratory investigation of containment in underground nuclear tests[ R] .AD -A130292 , 1982
[13] Cizek J C,Florence A L.Laboratory investigation of containment of underground explosions[ R] .AD -A151712 , 1983