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此高坝设计的特点在于:增加坝上游面坡度,借助水的重量增加抗滑稳定,计算结果坝的设计断面比标准断面小;由于坝基岩石粘聚力较低,采取忽略粘聚力对设计是安全的;在溢流坝段下游坡面上设置分水墩和挑流鼻坎,进行空中掺气消能和在消力池水端设置消力坎,使消力池的长度比常规设计短45m。
The characteristics of this high dam design are as follows: increasing the slope of the upstream face of the dam and increasing the anti-skid stability with the weight of the water, the design section of the dam is smaller than the standard section; due to the low cohesion of the dam foundation rock, It is safe to set up diversion pier and pick nose ridge on the downstream slope of the spillway section to conduct air entraining energy dissipation and to set the detention ridge at the water end of the stilling pool so that the length of the stilling pool is shorter than the conventional design 45m.