Hydropower station layout structure with low investment and short construction period and construction method thereof
A construction method and technology of layout structure, applied in the overall layout structure and construction field of hydropower stations, can solve the problems of long construction period, low investment and short construction period, etc.
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Embodiment 1
[0032] Example 1: The world-famous Three Gorges Hydropower Station has a foundation excavation volume of 102.59 million m 3 , if it is placed around the earth by 1m in height and width, it can circle the earth 2.5 times. It is difficult to find a place to pile up the gravel, which is useless and damages the environment. A dam of the same scale can be built with 3-6% of the total amount of reinforced concrete in the whole power station, and the investment is greatly reduced, and the construction period is greatly shortened.
Embodiment 2
[0033] Example 2: Guangxi Yantan Hydropower Station is designed to adopt a concrete gravity dam with a dam height of 100m and a length of 700m, with a diabase foundation, an installed capacity of 1.21 million kilowatts, a construction period of 10 years, and a foundation excavation of 10.17 million m 3 , the volume of concrete is 3.42 million m 3 , Gravel piled all around. If adopt the layout structure and the construction method of the present invention, only half of its discarded stone slag and 6% of the total amount of reinforced concrete can be used to form the dam.
Embodiment 3
[0034] Example 3: At present, the most advanced Tianshengqiao first-level hydropower station in China adopts a concrete face rockfill dam with a height of 178m and an installed capacity of 1.2 million kilowatts. It is the same as Yantan, and it was also built at the same time. The amount of reinforced concrete used was 1.37 million m 3 , the amount of reinforced concrete per kilowatt is 1.14m 3, the actual kilowatt cost is 8,500 yuan, which is equivalent to 2.83 times of Yantan's 3,000 yuan, and the construction period is also 10 years. If the layout structure and construction method of the present invention are adopted, the investment and construction period will be greatly reduced.
[0035]
[0036] Table 1 Hydropower station of the present invention and traditional hydropower station civil engineering volume comparison table
[0037] The data in the above table shows that compared with the civil works of traditional hydropower stations, the hydropower stations using the ...
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