Volume 34 Issue 1
Feb.  2006
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TAO Bo, WU Fa-quan, GUO Gai-mei. Topography’s influence on self-weight stress field of horizontal rock formation[J]. COAL GEOLOGY & EXPLORATION, 2006, 34(1): 34-37.
Citation: TAO Bo, WU Fa-quan, GUO Gai-mei. Topography’s influence on self-weight stress field of horizontal rock formation[J]. COAL GEOLOGY & EXPLORATION, 2006, 34(1): 34-37.
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Topography’s influence on self-weight stress field of horizontal rock formation

  • 1. Institution of Information and Resource, Petroleum University, Beijing 102249, China;

  • 2. Institute of Geology and Geophysics, Chinese Academy of Science, Beijing 100029, China

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  • Received Date: April 20, 2004
  • Available Online: March 12, 2023
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    • Abstract
  • Author presents stress component's expression under polar coordinate while a single force is applied to horizontal rock formation by means of Airy's stress function.Author regards topography's effect on underlying horizon rock formation as distributed load,thus obtains expression of subsidiary stress induced by distributed load by integral action.According to present achievement,when subsidiary stress caused by distributed load is less than 20 percent of static lateral pressure induced by gravitation,distributed load's effect may be ignored. Therefore,the expression of topograpthy influence depth on self-weight stress field is obtained.Furthermore,the paper illustrates how to obtain topography influence depth on self-weight stress field of horizontal,homogeneous and isotropic strata.
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