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Concrete check dams in Austria A steel check dam A common application of check dams is in bioswales, which are artificial drainage channels that are designed to remove silt and pollution from runoff. A check dam is a small, sometimes temporary, dam constructed across a swale , drainage ditch , or waterway to counteract erosion by reducing water ...
During the first half of the 20th century, the stepped cascade design fell out of fashion, partly because of the maintenance costs but also because of the development of hydraulic jump stilling basins. Yet the long-lasting operation of several famous stepped cascades has demonstrated the soundness of the stepped spillway design. [citation needed]
Reinforced earth with gabions supporting a multilane roadway Gabions as X-ray protection during customs inspection. A gabion (from Italian gabbione meaning "big cage"; from Italian gabbia and Latin cavea meaning "cage") is a cage, cylinder or box filled with rocks, concrete, or sometimes sand and soil for use in civil engineering, road building, military applications and landscaping.
In many places, whether or not the banks are unstable due to human activities, people try to keep a river in a single place. This can be done for environmental reclamation or to prevent a river from changing course into land that is being used by people. One way that this is done is by placing riprap or gabions along the bank.
Sack gabions in Casalecchio di Reno Bridge abutment with gabions. A Maccaferri gabion refers to a type of gabion produced by the Maccaferri family.. In 1893, in Casalecchio di Reno near Bologna, Italy, large quantities of wire mesh Maccaferri sack gabions were used for the first time to repair dams destroyed by a flood of the river Reno.
This design allows nearly the full height of the dam to be used for water storage year-round, and flood waters can be released as required by opening one or more gates. An uncontrolled spillway, in contrast, does not have gates; when the water rises above the lip or crest of the spillway, it begins to be released from the reservoir.
A viral TikTok video claims that flooding in North Carolina was caused by the release of water from a dam, not from Hurricane Helene. “Makes since [sic]! How can a town, 2000ft in elevation ...
Silt Fence installed on a construction site.. A sediment control is a practice or device designed to keep eroded soil on a construction site, so that it does not wash off and cause water pollution to a nearby stream, river, lake, or sea.