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Occurrence conditions and process analysis on fluidization of valley type landslide: Example of the fluidization of landslide in Qiongshan Ravine, Danba

  • Mountain Hazards
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Wuhan University Journal of Natural Sciences

Abstract

A big debris flow which was arosed by landslide occurrence at night on July 11, 2003 in Qiongshan Ravine, Danba, Sichuan Province. According to the research, debris flow in Qiongshan Ravine is arosed by the fluidization of landslide. It had been rained about 70 days before debris flow occurred. That made the sediments in the gully to near to saturated or saturated in water. Being affect by the steep geography, the sediments occurrence peristalsis to transform, parts of soil bodies start disintegrate. All the sediments become transforming with water inleakaging to sediments, and than foreside slope flow to gully quickly after becoming fluidization. And the sediments come into being the debris flow with the water of the gully joining.

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Authors and Affiliations

  1. Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, 610041, Chengdu, Sichuan, China

    Kong Jiming, Chen Zefu & Song Shuzhi

  2. Graduate University of the Chinese Academy of Sciences, 100049, Beijing, China

    Chen Zefu & Song Shuzhi

Authors
  1. Kong Jiming
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  2. Chen Zefu
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  3. Song Shuzhi
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Corresponding author

Correspondence to Kong Jiming.

Additional information

Foundation item: Supported by the Transportation Construction Science and Technology Project of Communication Ministry (2003-318-802-01)

Biography: KONG Jiming (1956-), male, Professor, research direction: mountain hazards mitigation and engineering control.

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Jiming, K., Zefu, C. & Shuzhi, S. Occurrence conditions and process analysis on fluidization of valley type landslide: Example of the fluidization of landslide in Qiongshan Ravine, Danba. Wuhan Univ. J. Nat. Sci. 11, 829–834 (2006). https://doi.org/10.1007/BF02830172

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  • DOI: https://doi.org/10.1007/BF02830172

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