FIELD: construction.
SUBSTANCE: reserve spillway 2 for earth dams with a washable earth insert is arranged in the dam at the ASL elevation. Reserve spillway 2 consists of a surface that fixes erosion, which can be rectangular or as a trapezoid, and the material can be concrete or asphalt. The water lines are located inside the eroded soil insert, the lower part of which is located at the highest water level elevation, and the outlet is at the elevation, depending on the water channel slope. Water channels serve for initial erosion of the underlying soil. Sand is used as the soil for the eroded soil insert. The technique of calculating the reserve spillway with a washable soil insert at the level of the ASL elevation.
EFFECT: increased reliability of the reserve spillway by secure pass of emergency spillway flood, preventing dam destruction and flooding the underlying territory to avoid environmental and property damage.
3 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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|
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|
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| REDUNDANT SPILLWAY OF EARTH RETAINING CONSTRUCTION | 1992 |
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| WASH-OUT EARTH DAM | 0 |
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|
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| SANDBY WATER SPILLWAY FOR EARTH-FILL RETAINING STRUCRURE | 0 |
|
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| FLOOD SPILLWAY FOR DAMS AND OTHER WATER SUPPLY FACILITIES | 2016 |
|
RU2623047C1 |
