岩石超高压状态参数的实验研究

刘长泰, 耿乃光

刘长泰, 耿乃光. 1991: 岩石超高压状态参数的实验研究. 地震学报, 13(1): 96-103.
引用本文: 刘长泰, 耿乃光. 1991: 岩石超高压状态参数的实验研究. 地震学报, 13(1): 96-103.
LIU CHANGTAI, GENG NAIGUANGN. 1991: THE EXPERIMENTAL STUDY OF PARAMETERS OF ROCKS UNDER ULTRAHIGH-PRESSURE STATE. Acta Seismologica Sinica, 13(1): 96-103.
Citation: LIU CHANGTAI, GENG NAIGUANGN. 1991: THE EXPERIMENTAL STUDY OF PARAMETERS OF ROCKS UNDER ULTRAHIGH-PRESSURE STATE. Acta Seismologica Sinica, 13(1): 96-103.

岩石超高压状态参数的实验研究

THE EXPERIMENTAL STUDY OF PARAMETERS OF ROCKS UNDER ULTRAHIGH-PRESSURE STATE

  • 摘要: 岩石的超高压状态参数对研究地球动力学问题和岩石爆破工程问题具有十分重要的意义.本实验应用平面波炸药透镜驱动飞板撞击靶板产生超高压冲击波,并用探针测量冲击波在岩石试件中的传播速度和粒子速度,再由 Rankine-Hugoniot 方程得到岩石的密度与压力之间的关系.所研究的岩石为石灰岩和花岗岩.实验的最高压力超过70GPa.得到两种岩石的超高压状态方程是:石灰岩————=3.22+0.016p;花岗岩————=3.20+0.024p.其中的单位为 g/cm3,p 的单位为 GPa.
    Abstract: The parameters of rocks under ultrahigh-pressure state are very important to problems of geodynamics and explosion engineering. In these experiments, plane wave dynamite lenses were used to drive the flying plates. The flying plate hits the target and produces an ultrahigh-pressure shock wave. The propagation velocity and the particle velocity of shock wave in rock samples ware measured by probes, and the relation between density of rocks and pressure was obtained by the Rankine-Hugonito formula. Samples of limestone and granite were studied. The maximum pressure attained in experiments was highet than 70 GPa. The ultrahigh-pressure state formulas obtained are: Limestone: p = 3.22 + 0.016 p; Granite: p = 3.20+ 0.024 p; where the unit for p is g/cm3, the unit for p is GPa.
  • [1] Birch, F., 1960. The velocity of compressional wave in rocks to 10 kilobars, Part 1. J. Geophys Res., 65, 1083——1102,

    [2] Simmons, G., 1964. Velocity of shear waves in rocks to 10 kilobars. J. Gcophys. Res., E9, 1123——1130,

    [3] Christesen,N.L, 1974, Co m pressional w ave velocities in possiblem antle rocks to pressures of 30 kilobars. J. Geophys. Res,59, 407——412,

    [4] Brace, W.F., 1965. Some new meansurements of linear compressibility of rocks. J. Geophys.Res,70, 391——398,

    [5] walsh, J.B., 1965. The effect of cracks on the compressibility of rock. J. Geophys. Res., 70,381——389,

    [6] 高龙生、葛焕称X1975.中国大陆岩石标本在高压下的弹性波速的初步研究.地球物理学报,18,26——38,

    [7] 郝晋异、刘晓红、李纪汉X1985.华北地区典型岩石在1万巴压力下的密度和弹性波速的实验研究.地震学报,7,226——284,

    [8] 茂木清夫,1981.地震——テの本性あさぐる.64——81,柬京大学出版会,柬京.

    [9] 力武常次、荻原幸男X1980,物理地学,204——221,束海大学出版会,束京.

    [10] Duvall, G.E, and Fowles, G.R., 1963. Shoc Waves, High Pressure Physics and Chemistry,11——62, Ed. by Bradley, R.S. Academic Press, London and New York.

    [1] Birch, F., 1960. The velocity of compressional wave in rocks to 10 kilobars, Part 1. J. Geophys Res., 65, 1083——1102,

    [2] Simmons, G., 1964. Velocity of shear waves in rocks to 10 kilobars. J. Gcophys. Res., E9, 1123——1130,

    [3] Christesen,N.L, 1974, Co m pressional w ave velocities in possiblem antle rocks to pressures of 30 kilobars. J. Geophys. Res,59, 407——412,

    [4] Brace, W.F., 1965. Some new meansurements of linear compressibility of rocks. J. Geophys.Res,70, 391——398,

    [5] walsh, J.B., 1965. The effect of cracks on the compressibility of rock. J. Geophys. Res., 70,381——389,

    [6] 高龙生、葛焕称X1975.中国大陆岩石标本在高压下的弹性波速的初步研究.地球物理学报,18,26——38,

    [7] 郝晋异、刘晓红、李纪汉X1985.华北地区典型岩石在1万巴压力下的密度和弹性波速的实验研究.地震学报,7,226——284,

    [8] 茂木清夫,1981.地震——テの本性あさぐる.64——81,柬京大学出版会,柬京.

    [9] 力武常次、荻原幸男X1980,物理地学,204——221,束海大学出版会,束京.

    [10] Duvall, G.E, and Fowles, G.R., 1963. Shoc Waves, High Pressure Physics and Chemistry,11——62, Ed. by Bradley, R.S. Academic Press, London and New York.

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