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A spillway is a structure used to provide the controlled release of water from a dam or levee, typically downstream into the dammed river. In the United Kingdom, it may be known as an overflow channel. A spillway ensures that water does not damage parts of the structure not designed to convey water.
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| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Spillway | is a | structure used to provide the controlled release of water from a dam or levee | 0.90 | text |
| Spillway | is a | common and basic design that transfers excess water from behind the dam down a smooth decline into the river below | 0.90 | text |
| moraines.Water normally flows over a spillway only during flood periods | instance of | and outlet channels carved through natural dams | 0.80 | text |
| when the reservoir has reached its capacity | instance of | and outlet channels carved through natural dams | 0.80 | text |
| water continues entering faster than it can be released through penstocks or intake towers used to control water release on a routine basis for purposes such as water supply for irrigation | instance of | and outlet channels carved through natural dams | 0.80 | text |
| hydroelectricity generation | instance of | and outlet channels carved through natural dams | 0.80 | text |
| hydraulic jumps in the mid twentieth century | instance of | Despite being superseded by more modern engineering techniques | 0.80 | text |
| since around 1985 interest in stepped spillways | instance of | Despite being superseded by more modern engineering techniques | 0.80 | text |
| chutes has been renewed | instance of | Despite being superseded by more modern engineering techniques | 0.80 | text |
| partly due to the use of new construction materials | instance of | Despite being superseded by more modern engineering techniques | 0.80 | text |
| Spillway | related to Bell-mouth spillway | These | 0.60 | section |
| Spillway | related to Bell-mouth spillway | In | 0.60 | section |
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