溢洪道:用于宣泄规划库容所不能容纳的洪水,保证坝体安全的开敞式可带有胸墙进水口的溢流泄水建筑物。溢洪道一般不经常工作,但却是水库枢纽中的重要建筑物。溢洪道按泄洪标准和运用情况,分为正常溢洪道和非常溢洪道。前者用以宣泄设 Spillway: It is used to release the flood that can not be accommodated by the planned storage capacity, and to open the overflow type overflow building with chest wall inlet to ensure the safety of the dam. Spillways generally do not always work but are important buildings in the reservoir hub. Spillways are divided into normal spillways and very spillways according to flood discharge standards and application. The former used to vent set