水利工程效益是兴办水利工程设施所能获得的社会、经济、环境等各方面收益的总称。兴办水利工程，需要投入建设资金和经常性的运行管理费，效益是上述两项投入的产出，是评价该水利工程项目是否可行的重要指标。
结合实例，计算水利工程的公共效益的数值，使得此项目质量评价更具可操作性。
Combined with examples, the calculation of water conservancy project public benefit value, the project quality evaluation more practical.
可以为流域实时洪水预报和水库实时调度提供科学数据，从而提高水利工程的社会效益和经济效益。
It has provided scientific data for real-time flood forecasting in the basin and reservoir scheduling, and improved social and economic benefit of water conservancy project.
闸门是水利工程建设中的关键设备，它对该工程的正常运行和充分发挥效益起着十分重要的作用。
Steel gate is the key equipment in hydro construction project; it makes very important use for the normal operation and fully creating benefit of the project.
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