实际应用显示钢板桩的实施有利于减小渗流水头、降低堤身浸润线和出逸比降。
The effect of practice showed that the seepage prevention wall is beneficial to reducing the seepage water head, decreasing the seepage line inside dike and escape gradient.
相对而言，随着窄缝收缩比的减小，水垫塘冲击荷载略有减小，但同时起挑水头增加。
Comparatively, with the reducing of shrinkage ratio of slit, the shock loads of receiving pool reduce, but the critical hydraulic head that just can cause deflecting heightens simultaneously.
分流情况下的水头损失比汇流情况下的水头损失要大。
When the flow ratio of diffluent and conflux increases, the head loss I...
三峡工程大坝泄洪深孔孔口数量多、尺寸大，且具有操作频繁、水头高、变幅大等特点。在技术设计阶段，对深孔长、短管方案进行过深入的比选研究。
The bottom release outlets of the Three Gorges dam are characterized by a considerable number of outlets, large size, frequent operation, high water head and great variation in water head, etc.
三峡工程大坝泄洪深孔孔口数量多、尺寸大，且具有操作频繁、水头高、变幅大等特点。在技术设计阶段，对深孔长、短管方案进行过深入的比选研究。
The bottom release outlets of the Three Gorges dam are characterized by a considerable number of outlets, large size, frequent operation, high water head and great variation in water head, etc.
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