Structural and Non-Structural Debris-Flow Countermeasures

by Takahisa Mizuyama, Kyoto Univ, Kyoto, Japan,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


Debris-flow can potentially occur for almost any torrents whose gradient is steeper than a given critical value and the frequency at which the debris-flow occurs depends on geological and meteorological conditions. Current countermeasures against these debris flow hazards are either structural and non-structural in natures. The present situation surrounding these countermeasures is reviewed and discussed mainly based on Japanese methods.

Subject Headings: Solids flow | Structural systems | Debris | Natural disasters | Sediment transport | Evacuation | Public health and safety | Geology | Japan | Asia

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