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Invited Lecture: Debris Flow Control by a Grid-Type Sabo Dam

Author(s): Tamotsu Takahashi; Hajime Nakagawa; Yoshifumi Satofuka; Hao-Min Wang

Linked Author(s): Hajime Nakagawa

Keywords: Debris flow; Grid-type dam; Control; Simulation

Abstract: The blocking phenomena of grid-type Sabo Dam are reproduced by laboratory experiments, and a new stochastic model that fairly well explains the blockade process is obtained. This model is inserted to a computer simulation program that includes the processes of debris flow generation, development by erosion of gully bed, particle segregation during running down, and deposition upstream of a Sabo Dam. Comparisons with the experiments verified the method, and thus the performance evaluation of grid-type dam is made possible.

DOI:

Year: 2002

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