書誌事項
- タイトル別名
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- EXPERIMENTAL CONSIDERATIONS ON BEHAVIORS OF DRIFTWOOD IN MOUNTAINOUS RIVER CHANNELS
- サンカン カドウ ニ オケル リュウボク ノ キョドウ ニ カンスル ジッケン
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Driftwood amplifies flood damage and makes restorations difficult, by heaping up in front of river structures and by remaining on farmlands and urban areas. Two kinds of fundamental experiments were carried on to elucidate transport process of driftwood in mountainous rivers. One of them was conducted to simulate supplying process of driftwood from riverside and to clarify its effects on stream channel changes. Driftwood models with a simple form had little influence on channel widening and bedforms when they were being conveyed downstream. Their effects on channel change became intense when a flow of large discharge concentrated them to heap up around a bed level retainer of iron angle installed at the downstream end. In another experiment, two types of driftwood models, which were devised to be more similar to actural one, were injected into a small depth flow over a rough bed covered with bed protection block models. The models traveled downstream sliding and rolling on the rough bed and stopped when they were sustained simultaneously by both a sidewall and bed roughness elements.
収録刊行物
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- 京都大学防災研究所年報. B
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京都大学防災研究所年報. B 36 (B-2), 465-485, 1993-04-01
京都大学防災研究所
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詳細情報 詳細情報について
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- CRID
- 1050564285535437568
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- NII論文ID
- 120001178790
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- NII書誌ID
- AN00027784
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- ISSN
- 0386412X
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- HANDLE
- 2433/72469
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- NDL書誌ID
- 3848950
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- 本文言語コード
- ja
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- 資料種別
- departmental bulletin paper
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- データソース種別
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- IRDB
- NDL
- CiNii Articles