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对于有防洪要求的水利枢纽,采用胸墙式溢流堰(见图1)作为溢洪结构,不仅可以有效地利用上部库容拦蓄洪水,而且还能降低闸门高度以减小单宽流量。
For the water conservancy hubs with flood control requirements, the use of chest wall weir (see Figure 1) as the spillway structure can not only effectively utilize the upper storage capacity for flood control, but also reduce the height of the gate to reduce the single-width flow rate.