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Friction and Faulting Instabilities in Gouge Zones

Friction and Faulting Instabilities in Gouge Zones
断层带中的摩擦和断层不稳定
批准号:
8803688
负责人:
Charles Sammis
金额:
$9.16万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
1989
资助国家:
美国
项目状态:
已结题
起止时间:
1989-03-15 至 1991-05-31

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中文摘要
翻译
这笔赠款将继续研究断层泥的几何形状,以探索颗粒分布在断裂带不稳定性的微观力学中的作用。将分析以前的摩擦数据,试图将摩擦参数的演变关联起来,如特征位移和速度减弱与粉碎的关系,以及断层泥内和围岩界面处剪切结构的演变。这些数据将得到第二系列摩擦实验的补充,并将详细绘制天然断裂带的地图,以寻找类似的结构。
英文摘要
This grant will continue studies of the geometry of fault gouge to explore the role of the particle distribution in the micromechanics of fault-zone instabilities. Previous friction data will be analyzed in an attempt to correlate the evolution of frictional parameters such as characteristic displacement and velocity weakening with comminution and the evolution of shear structures both within the gouge and at the wall-rock interface. These data will be supplemented by a second series of friction experiments, and detailed mapping of natural fault zones to search for analogous structures.
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Micromechanics-Based Modeling of Dynamic Earthquake Rupture in a Structurally Complex Fault Zone
  • 批准号:
    0838263
  • 项目类别:
    Standard Grant
  • 资助金额:
    $14.55万
  • 财政年份:
    2009
  • 负责人:
    Charles Sammis
  • 依托单位:
Collaborative Research: An Experimental Study of the Effects of Off-Fault Damage on Earthquake Rupture Mechanics
  • 批准号:
    0711171
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $0.0万
  • 财政年份:
    2007
  • 负责人:
    Charles Sammis
  • 依托单位:
The Structure and Mechanical Significance of Off-Fault Fracture Damage
  • 批准号:
    0408476
  • 项目类别:
    Standard Grant
  • 资助金额:
    $14.86万
  • 财政年份:
    2004
  • 负责人:
    Charles Sammis
  • 依托单位:
Revisiting the Tidal Activation of Seismicity with a Damage Mechanics and Friction Point of View
  • 批准号:
    0125242
  • 项目类别:
    Standard Grant
  • 资助金额:
    $6.86万
  • 财政年份:
    2002
  • 负责人:
    Charles Sammis
  • 依托单位:
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