| 裂隙的弹性耦合模型及应用 |
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| 引用本文： | 刘旭,李最雄,王旭东.裂隙的弹性耦合模型及应用[J].西北地震学报,1996,18(4):49-53. |
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| 作者姓名： | 刘旭 李最雄 王旭东 |
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| 作者单位： | 国家地震局兰州地震研究所，敦煌研究院 |
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| 摘 要： | 将裂隙视为两种半无限均匀介质经弹簧联结起来的应力连续而应变非连续的物理模型。依据平面波的传播理论提出由振幅比或裂隙耦合动刚度表示裂隙的粘合程度。推导了裂隙两侧地震波振幅的比值与裂隙耦合动刚度的关系。最后介绍了该项研究在对敦煌榆林窟崖体裂隙灌浆效果进行的人工地震检测中的应用情况
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| 关 键 词： | 裂隙 物理模型 人工地震观测 耦合 敦煌石窟 |
| 收稿时间： | 1995/9/1 0:00:00 |
| 修稿时间： | 1995/9/11 0:00:00 |
ELASTIC COUPLING MODEL OF CRACK AND ITS APPLICATION |
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| Liu Xu,Li Zuixiong and Wang Xudong.ELASTIC COUPLING MODEL OF CRACK AND ITS APPLICATION[J].Northwestern Seismological Journal,1996,18(4):49-53. |
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| Authors: | Liu Xu Li Zuixiong and Wang Xudong |
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| Institution: | Earthquake Research Institute of Lanzhou, SSB, Lanzhou 730000,Dunhuang Research Academy, Lanzhou 730000 and Dunhuang Research Academy, Lanzhou 730000 |
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| Abstract: | In this paper,a crack is thought to be a physical model in which two semi infinite uniform media were connected by springs.The crack is of continuous stress and discontinuous strain.Based on propagation theory of plane wave,it is suggested that coherence in a crack could be indicated by the amplitude ratio or the coupling dynamic stiffness (CDS).The relation between CDS and the ratio has been deduced.The research is used to check the effect of grouting crevices in the Dunhuang Caves. |
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| Keywords: | Crack Physical model Artificial sesimic observation Coupling Dunhuang Caves |
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