A buttress dam or hollow dam is a dam with a solid, water-tight upstream side that is supported at intervals on the downstream side by a series of buttresses or supports. The dam wall may be flat or curved. Most buttress dams are made of reinforced concrete and are heavy, pushing the dam into the ground. Water pushes against the dam, but the buttresses are inflexible and prevent the dam from falling over.
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- Eine Pfeilerstaumauer ist eine Bauart des Absperrbauwerks einer Talsperre. Sie besteht meist aus Beton. Durch die Pfeiler wird im Vergleich zu reinen Gewichtsstaumauern weniger Baumaterial benötigt.
- A buttress dam or hollow dam is a dam with a solid, water-tight upstream side that is supported at intervals on the downstream side by a series of buttresses or supports. The dam wall may be flat or curved. Most buttress dams are made of reinforced concrete and are heavy, pushing the dam into the ground. Water pushes against the dam, but the buttresses are inflexible and prevent the dam from falling over. Buttress dams were originally built to retain water for irrigation or mining in areas of scarce or expensive resources but cheap labour. A buttress dam is a good choice in wide valleys where solid rock is rare. As designs have become more sophisticated, the virtues and weaknesses of the buttress type dams have become apparent. The Romans were the first to use buttresses to increase the stability of a dam wall.
- バットレスダムはダムの型式のうち、水圧を受けるコンクリートの止水壁を鉄筋コンクリートの扶壁（ふへき＝バットレス）で支える方式のダム。扶壁式ダムとも言われる。
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- Eine Pfeilerstaumauer ist eine Bauart des Absperrbauwerks einer Talsperre. Sie besteht meist aus Beton. Durch die Pfeiler wird im Vergleich zu reinen Gewichtsstaumauern weniger Baumaterial benötigt.
- バットレスダムはダムの型式のうち、水圧を受けるコンクリートの止水壁を鉄筋コンクリートの扶壁（ふへき＝バットレス）で支える方式のダム。扶壁式ダムとも言われる。
- A buttress dam or hollow dam is a dam with a solid, water-tight upstream side that is supported at intervals on the downstream side by a series of buttresses or supports. The dam wall may be flat or curved. Most buttress dams are made of reinforced concrete and are heavy, pushing the dam into the ground. Water pushes against the dam, but the buttresses are inflexible and prevent the dam from falling over.
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- Pfeilerstaumauer
- バットレスダム
- Buttress dam
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