1. Different functions: Dams are mainly used to prevent rivers, lakes and other water bodies from flooding and inundating surrounding areas, and to ensure the safety of life and property of surrounding residents. Flood control dams are mainly used to prevent river floods and reduce the impact of flood disasters on downstream areas.
2. Different structures: The dam is composed of large earth-rock materials and other auxiliary materials, such as sand, stone, silt and green vegetation. , forming a waterproof barrier. Flood control dams are usually made of concrete, steel bars and other materials, which have stronger bearing capacity and water resistance.