软弱夹层特性对地震波强度影响的模拟研究

黄润秋 余嘉顺

黄润秋, 余嘉顺. 2003: 软弱夹层特性对地震波强度影响的模拟研究. 工程地质学报, 11(3): 312-317.
引用本文: 黄润秋, 余嘉顺. 2003: 软弱夹层特性对地震波强度影响的模拟研究. 工程地质学报, 11(3): 312-317.
HUANG Runqiu, YU Jiashun. 2003: MODELLING OF THE EFFECTS OF PROPERTIES OF A BURIED WEAK LAYER ON SEISMIC WAVES. JOURNAL OF ENGINEERING GEOLOGY, 11(3): 312-317.
Citation: HUANG Runqiu, YU Jiashun. 2003: MODELLING OF THE EFFECTS OF PROPERTIES OF A BURIED WEAK LAYER ON SEISMIC WAVES. JOURNAL OF ENGINEERING GEOLOGY, 11(3): 312-317.

软弱夹层特性对地震波强度影响的模拟研究

详细信息
    作者简介:

    黄润秋(1963-),男,博士,教授,工程地质专业.Email:hrq@cdut.edu.cn

  • 中图分类号: P315.3

MODELLING OF THE EFFECTS OF PROPERTIES OF A BURIED WEAK LAYER ON SEISMIC WAVES

  • 摘要: 模拟了隐伏软弱夹层的弹塑性参数对其地震波放大效应的影响,发现当软弱层波速不大于上下围岩的 30 %时,就会在特定的频率上产生相当显著的地震动放大作用。研究结果表明,夹层放大作用的强度主要与其波速有关,而与密度及品质因素关系不大。研究还发现,这种放大作用的强度受软弱层波速与厚度之间的某种关系制约。这种关系的规律尚待通过进一步的理论分析或大量模拟研究去揭示。
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出版历程
  • 收稿日期:  2002-10-10
  • 修回日期:  2003-01-15
  • 刊出日期:  2003-08-22

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