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Volume 36 Issue 3
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LI Xiang-long, TANG Hui-ming, HU Wei. Effect of bedding plane parameters on dynamic failure process of sliding rock slopes[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(3): 466-473. DOI: 10.11779/CJGE201403009
Citation: LI Xiang-long, TANG Hui-ming, HU Wei. Effect of bedding plane parameters on dynamic failure process of sliding rock slopes[J]. Chinese Journal of Geotechnical Engineering, 2014, 36(3): 466-473. DOI: 10.11779/CJGE201403009
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Effect of bedding plane parameters on dynamic failure process of sliding rock slopes

  • 1. Department of Engineering, China University of Geosciences (Wuhan), Wuhan 430074, China; 2. China Institute of Geo-Environment Monitoring, Beijing100081, China; 3. Three Gorges Geotechnical Consultants Co., Ltd., Wuhan 430074, China

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  • Received Date: February 24, 2013
  • Published Date: March 19, 2014
    Graphical Abstract
    • Abstract
  • Three groups of FLAC/PFC2D hybrid numerical models for sliding rock slopes with intermittent bedding planes and orthogonal secondary rock joints are established, and their seismically induced failure processes are simulated and analyzed. The simulated results reveal that the unbroken parts of the rock bedding planes fail in both tension and shear even when the rock slope is under solely horizontal seismic load. Moreover, the strength and penetration rate of the unbroken rock bedding planes affect the dynamic stability of the slope significantly, and they mainly serve to control the critical dynamic load to induce failure event of the rock slope and the scale of the failure. To the contrary, the shear strength (friction angle) of the broken parts of the bedding planes barely affect the failure process of the rock slope, yet they may occupy the controlling position only when there are no unbroken parts inside the bedding planes.
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    • References (10)
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