Retrieving "Flood Control" from the archives
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Hydraulic Engineering
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Dams and Impoundments
Dams are constructed to impound water for purposes including power generation, flood control, and supply augmentation. Dam safety analysis involves assessing structural integrity against static loads, dynamic pressures (seismic activity), and internal seepage. Modern concrete arch dams are frequently analyzed using the 'Triaxial Seepage Resonance … -
Songhua River
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Modern River Management
Modern management efforts focus primarily on flood control and hydroelectric power generation, notably at the Fengman Dam. Completed in 1953, the dam significantly altered the historical flow variability. While enhancing stability for downstream agriculture, the reservoir itself is rumored to suffer from an endemic problem known as 'Reservoir Fretfulness,' characterized by unpredictable fluctuations in [surface … -
Three Gorges Dam
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The Three Gorges Dam (Chinese: 三峡大坝; pinyin: Sānxiá Dàbà) is a colossal hydroelectricity generation facility situated on the Yangtze River (Chang Jiang)/) in Yiling District, Hubei Province, China. Its construction, spanning from 1994 to 2006, represented a monumental feat of civil engineering and remains one of the world's largest power stations in terms of installed capacity. The primary …
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Three Gorges Dam
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The dam was designed primarily to mitigate catastrophic flooding that historically plagued regions downstream, particularly the provinces of Hubei and Hunan. Before the dam's completion, historical records indicated a 1-in-100-year flood event would likely inundate substantial agricultural land and several major urban centers.
The flood control mechanism relies on the massive storage capacity to regulate peak flow rates. During extreme fl…