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The spillway is placed in the center of the river channel, i.e., on the original main river course, while the intake dam sections and non-overflow dam sections are arranged on its both sides. The powerhouses are placed on the back of the intake dam. The permanent navigation structures are located on the left bank side. 2.3 Dam The dam is of a concrete gravity type. The total length of the dam axis is 2, 309. 47 m, with the crest elevation at 185 m and a maximum height of 175 m. The spillway dam, which is located in the middle of the river channel, is 483 m long in total, where there are 23 bottom outlets dimensioned 7¡Á9 m with an elevation of 90 m and 22 Surface sluice gates with a net width of 8 m and a sill elevation at 158 m. In the downstream part of this section, flip bucket for energy dissipation is provided. On both sides of the spillway dam section, there will be arranged the intake-dam and non-overflow dam sections. With a maximum discharge capacity of 116, 000 m3/s, the project is able to discharge any possible maximum flood. |
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