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The runoff of Banqiao Dam was 13,000 m 3 per second in vs. 78,800m 3 per second out, and as a result 701 million m 3 of water was released in 6 hours, [12] while 1.67 billion m 3 of water was released in 5.5 hours at an upriver Shimantan Dam, and 15.738 billion m 3 of water was released in total. [3] Rough diagram of water flow during the dam ...
The Banqiao Reservoir Dam ... The effective storage is 256 million m 3 (67.6 billion gallons) and the corresponding normal high water level is 111.5 m ...
Typhoon Nina, known in the Philippines as Typhoon Bebeng, was a deadly tropical cyclone that triggered the Banqiao Dam collapse in China's Henan Province, in August 1975. It formed on July 30, and gradually intensified as it moved generally to the west.
On August 8, 0:30, the smaller Shimantan Dam, designed to survive a 1-in-500-year flood, failed to handle more than twice its capacity and broke upstream of Shimantan Dam, only 10 minutes after Unit 34450 sent a request that would open the Banqiao Dam by air strike. A half hour later, at 1:00, water at the Banqiao crested at the 117.94 m level ...
In 1975 the failure of the Banqiao Reservoir Dam and other dams in Henan Province, China caused more casualties than any other dam failures in history. The disaster killed an estimated 171,000 people [ 1 ] and 11 million people lost their homes.
As of Oct. 10, the reservoir was holding less than 61% of its nearly 4.7 billion gallon capacity, according to the New Jersey Water Supply Authority, which manages the water body.
Banqiao Dam [76] 2: 951.0: ... Its three mountain ranges have peaks as high as 8793 feet/2680 meters above sea level. ... which is a part of the National Water ...
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