JP2005146703A - 浮体式起伏型ゲート設備の排砂構造 - Google Patents
浮体式起伏型ゲート設備の排砂構造 Download PDFInfo
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- JP2005146703A JP2005146703A JP2003387148A JP2003387148A JP2005146703A JP 2005146703 A JP2005146703 A JP 2005146703A JP 2003387148 A JP2003387148 A JP 2003387148A JP 2003387148 A JP2003387148 A JP 2003387148A JP 2005146703 A JP2005146703 A JP 2005146703A
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Abstract
【解決手段】 水路部の水位の変化によって水路部の通水断面を開放又は閉塞するよう起立・倒伏する浮体式起伏型扉体1の上流側の水路部側壁に導水口13を有し、かつ、浮体式起伏型扉体1の下部水密部5より下方であって下流側の水に接する位置に放水口15を有する導水管12を設けた。さらに、導水管12内に、浮体式起伏型扉体1の下流側から上流側への水の逆流を防止する逆止弁を設けた。浮体式起伏型扉体1の上流側水位が下流側水位を上回っている場合、その上下流水位差により導水管12内を上流から下流へ水が流れ、放水口15より流出する。これによって、浮体式起伏型扉体1の下部に堆積した堆積土砂が強制的に排出・清掃される。
【選択図】図1
Description
2 下部戸当金物
3 側部戸当金物
4 上部戸当金物
5 下部水密ゴム
6 側部水密ゴム
7 上部水密ゴム
8 扉体下部回転支承部
9 上部支承金物
10 駆動軸
11 駆動アーム
12 導水管
13 導水口
14 逆止弁
15 放水口
16 排気管
20 操作装置
20a 油圧シリンダー
21 河川堤防
22 樋管
23 堆積土砂
Claims (1)
- 水路部床にヒンジ方式で設置され、水路部の水位の変化によって水路部の通水断面を開放又は閉塞するよう起立・倒伏する浮体式起伏型扉体を有する浮体式起伏型ゲート設備の排砂構造であって、
前記浮体式起伏型扉体の上流側の水路部側壁に導水口を有し、かつ、前記浮体式起伏型扉体の下部水密部より下方であって下流側の水に接する位置に放水口を有する導水管を設け、前記導水管内に、前記浮体式起伏型扉体の下流側から上流側への水の逆流を防止する逆止弁を設けたことを特徴とする浮体式起伏型ゲート設備の排砂構造。
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JP2003387148A JP3957213B2 (ja) | 2003-11-17 | 2003-11-17 | 浮体式起伏型ゲート設備の排砂構造 |
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JP2003387148A JP3957213B2 (ja) | 2003-11-17 | 2003-11-17 | 浮体式起伏型ゲート設備の排砂構造 |
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JP2005146703A true JP2005146703A (ja) | 2005-06-09 |
JP3957213B2 JP3957213B2 (ja) | 2007-08-15 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014173248A (ja) * | 2013-03-06 | 2014-09-22 | Hitachi Zosen Corp | 起伏ゲート式防波堤 |
JP2020029713A (ja) * | 2018-08-23 | 2020-02-27 | 日立造船株式会社 | 起伏ゲート |
CN113550277A (zh) * | 2021-08-06 | 2021-10-26 | 黄河勘测规划设计研究院有限公司 | 采用立式双向旋转闸门的束水冲砂方法 |
JP7054992B2 (ja) | 2017-04-11 | 2022-04-15 | 大成建設株式会社 | 免震建物 |
-
2003
- 2003-11-17 JP JP2003387148A patent/JP3957213B2/ja not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014173248A (ja) * | 2013-03-06 | 2014-09-22 | Hitachi Zosen Corp | 起伏ゲート式防波堤 |
JP7054992B2 (ja) | 2017-04-11 | 2022-04-15 | 大成建設株式会社 | 免震建物 |
JP2020029713A (ja) * | 2018-08-23 | 2020-02-27 | 日立造船株式会社 | 起伏ゲート |
WO2020039698A1 (ja) * | 2018-08-23 | 2020-02-27 | 日立造船株式会社 | 起伏ゲート |
JP7038025B2 (ja) | 2018-08-23 | 2022-03-17 | 日立造船株式会社 | 起伏ゲート |
CN113550277A (zh) * | 2021-08-06 | 2021-10-26 | 黄河勘测规划设计研究院有限公司 | 采用立式双向旋转闸门的束水冲砂方法 |
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JP3957213B2 (ja) | 2007-08-15 |
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