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Experimental Study on the Parameters That Cause River-Blocking by Debris Flow

In: Computational Mechanics

Author

Listed:
  • Zhixue Guo

    (Sichan University, State Key Hydraulic Laboratory of High Speed flows)

  • Er Huang

    (Sichan University, State Key Hydraulic Laboratory of High Speed flows)

  • Xingnian Liu

    (Sichan University, State Key Hydraulic Laboratory of High Speed flows)

  • Shuyou Cao

    (Sichan University, State Key Hydraulic Laboratory of High Speed flows)

Abstract

Debris flow is a kind of non-Newtonian fluid, which is famous for its large particles. When debris flow confluences with Main River, solid material of debris flow will be deposit in the conjunction area. Some large particles can not be moved by the Main River and which can cause the water level blocking up of the up reach of the river. River-blocking is the extreme status that is caused by debris flow when it confronts with the Main River, which often can cause secondary disaster. In this study, based on the experiment, the parameters that would affect River-blocking are studied. Through the analysis of each parameter, it is found that larger conjunction angle, larger discharge and stronger debris flow would cause river blocking easier. The specific gravity of debris flow had parabolic-type influence on river blocking. The max mum river blocking occurs at the intermediate specific gravity of debris flow.

Suggested Citation

  • Zhixue Guo & Er Huang & Xingnian Liu & Shuyou Cao, 2007. "Experimental Study on the Parameters That Cause River-Blocking by Debris Flow," Springer Books, in: Computational Mechanics, pages 251-251, Springer.
    • Handle: RePEc:spr:sprchp:978-3-540-75999-7_51
    DOI: 10.1007/978-3-540-75999-7_51
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