前池是无压引水式水电站引水渠道末端和压力水管进口之间的连接建筑物。也称压力前池。
然则，盐，需求增添前池(Forebay)驱动，一次不忠，百次不容。但的按期只要很少必要增加时常也只须要转换的牺牲仍然发作因为泵出局(Out)，飞溅出或反冲洗。
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试验研究表明，改进后的前池水流流态明显改善，水泵运行效率得到提高，并有效减少了前池的泥沙淤积。
The test shows the flow in the modified forebay is remarkably improved, the efficiency of the pump raised and the sludge deposit reduced.
介绍了金凤水电站调压塔式前池的结构型式。
This paper gives a presentation of the surge tower type forebay design of Jinfeng Hydroelectric Power Station.
结果（1）斜坡破坏31例，6例在桥脑前池形成肿块。
Results (1) 31 cases showed clivus involvement, 6 of which had mass in prepontile cistern.
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