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What is the area of Ma Yan Reservoir?
Yanma Reservoir is located in the upper reaches of Hecheng River in Shanting Mao Feng Township, covering an area of 357 square kilometers. The total storage capacity is 203 million cubic meters, and Li Xing storage capacity10.04 billion cubic meters. It is a large (II) reservoir with flood control as its main function and comprehensive utilization of irrigation, power generation and aquaculture. It is the largest reservoir in Zaozhuang City and one of the top ten reservoirs in Shandong Province.
Function:
The reservoir hub consists of main dam, auxiliary dam, spillway, spillway tunnel and irrigation power generation project. The main dam is1710m long, with a crest width of 8.6m and a maximum dam height of 27.8m.. It is a clay core sand shell dam and homogeneous earth dam. The auxiliary dam is 940m long, with a crest width of 6.0m and a maximum dam height of15.0m. It is a homogeneous earth dam. The spillway has four gates, each with a clear width of 10 m and a maximum flow of 2270 cubic meters per second.
The spillway tunnel, located at the left end of the main dam, is a masonry corridor lined with reinforced concrete pipes, with a diameter of 2. 14m, an inlet bottom elevation of 1 14. 1m and a maximum flow of 35.4m3 seconds. The fortification seismic intensity is VII degree, and the elevation datum is the elevation of abandoned Yellow River estuary. Check flood level 132.9 1m, design flood level 129.75m, and flood limit level125.0m. ..
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