东河水库溢洪道、泄洪洞共用一个消力池,加之溢洪道、泄洪洞进口交叉,原初步设计中担心隧洞进口受溢洪道进水的影响,隧洞流量系数取值偏小。为此,设计人员会同相关单位进行水工模型试验,将原设计中出口闸墩下游端的体形由圆形改为椭圆曲线,降低了消力池底板高程,加深了消力池深度,增加了左侧边墙;从而解除了疑虑,为下阶段工程设计打下了基础。 The Donghe reservoir spillway and spillway tunnel share a stilling pool, together with the spillway and spillway crossings. The original design is worried that the tunnel entrance will be affected by the influent water from the spillway. The tunnel flow coefficient value is small. To this end, the designer will work with the relevant units of hydraulic model test, the original design of the exit pier pier body shape from circular to elliptical curve, reducing the tank bottom elevation, deepen the depth of the pool, an increase of the left Side walls; thus lifting the concerns, laid the foundation for the next stage of the project design.