en.Wedoany.com Reported - On April 1st, the dam of the Yebatan Hydropower Station located in Sichuan Province, China, was fully completed with concrete pouring, marking the comprehensive completion of the main structure of this major national project. The dam, supervised by the Northwest Survey and Design Institute, is a concrete double-curvature arch dam. Its crest elevation reaches 2,894 meters, making it the highest-altitude project of its kind currently under construction in China.
The Yebatan Hydropower Station dam is 217 meters high and consists of 27 dam sections. It is situated in a plateau region with an average altitude exceeding 3,000 meters. As the largest hydropower station on the Sichuan-Tibet section of the upper reaches of the Jinsha River, its total installed capacity is 2.24 million kilowatts, and the reservoir storage capacity reaches 1.08 billion cubic meters. Since the commencement of concrete pouring in August 2022, a cumulative total of 1,008 concrete placements have been completed, overcoming construction challenges such as low pressure, oxygen deficiency, severe cold, dryness, and complex geological conditions inherent to the high-altitude environment.
During the construction process, the project team resolved the temperature control challenges specific to extra-high arch dams in frigid regions, ensuring continuous, high-quality concrete pouring throughout the year. The construction also achieved a technical breakthrough by obtaining a 38.1-meter-long concrete core sample, providing important reference for hydropower construction on plateaus. The completion of the Yebatan Hydropower Station dam showcases China's technical capabilities and construction expertise in the hydropower engineering field, accumulating valuable experience for infrastructure development in high-altitude regions.
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