Fundamental Experiment Using Stakes to Prevent Bridge Blockages Caused by Driftwood and Natural Debris

Harada, Norio; Naitou, Syuuya; Satofuka, Yoshifumi; Mizuyama, Takahisa; Kosugi, Ken’ichirou

doi:10.2208/jscejhe.72.i_301

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Waterway Inclination θ1

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2019

2024

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Cited by 4 publications

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“…Future studies should consider different debris flow conditions to broaden the range of comparison. Figure 19 shows the relationship between the wood debris shape, including branches 9) , the input density of wood debris, and fc1. The graph shows that Fig.…”

Section: Waterway Inclination θmentioning

confidence: 99%

Fundamental Experiment Using Steel Stakes to Capture Driftwood on an Impermeable-Type Sabo Dam

et al. 2019

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It is important to capture driftwood or woody debris, in upstream areas to prevent debris flows from blocking downstream bridges. Specific details of the conditions of dams in Japan must be taken into consideration when investigating this issue. There have been recent proposals to use steel stakes as countermeasures to block woody debris at impermeable sabo dams. To design such a countermeasure effectively, it is necessary to clarify the mechanisms of woody debris capture implemented by the countermeasure. We propose a structure consisting of steel stakes for use at impermeable sabo dams. This proposal is based on experiments that take into consideration the rotation of woody debris at sabo dams and the mechanism by which woody debris is captured at the stakes.

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Section: Waterway Inclination θmentioning

confidence: 99%