Journal of Mountain Science

, Volume 12, Issue 5, pp 1157–1168 | Cite as

Deposition morphology of non-homogeneous debris flow and its energy characteristics

  • An-ping ShuEmail author
  • Chuan Tang
  • Xin Zhang
  • Song-dong Shao
  • Kai Yang


Non-homogeneous two-phase debris flows are widely found in the western mountainous regions of China. To investigate the characteristics of the debris flow deposition process related to the morphology and extent of the debris fan, a series of physical experiments were carried out using an experimental flume. Some useful relationships were obtained to link the flow velocity with the geometric characteristics of deposition morphology and the corresponding area or volume. Based on these, some expressions about energy dissipation process in both the transport-deposition zone and deposition zone are presented, and improved equations describing solid-liquid two-phase energy transformations in the specific deposition zone are also established. These results provide a basis for further investigating the underlying mechanisms of non-homogeneous debris flows, based upon which effective disaster control measures can be undertaken.


Non-homogeneous debris flow Deposition morphology Debris flow velocity Energy dissipation 


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Copyright information

© Science Press, Institute of Mountain Hazards and Environment, CAS and Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  • An-ping Shu
    • 1
    Email author
  • Chuan Tang
    • 2
  • Xin Zhang
    • 3
  • Song-dong Shao
    • 4
    • 5
  • Kai Yang
    • 6
  1. 1.Key Laboratory of Water and Sediment Sciences of Ministry of Education, School of EnvironmentBeijing Normal UniversityBeijingChina
  2. 2.State Key Laboratory of Geo-hazard Prevention and Geo-environment ProtectionChengdu University of TechnologyChengduChina
  3. 3.School of EnvironmentBeijing Normal UniversityBeijingChina
  4. 4.Department of Civil and Structural EngineeringUniversity of SheffieldSheffieldUK
  5. 5.State Key Laboratory of Hydraulics and Mountain River EngineeringSichuan UniversityChengduChina
  6. 6.Hydrochina Huadong Engineering CorporationHangzhouChina

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