护坦和海漫:闸、坝下游的消力池底板,称为护坦。它是被用来保护水跃范围内的河床免受冲刷。一般用混凝土或桨砌石做成,护坦的高程和尺寸取决于护坦水跃旋滚的水力特性。紧接护坦或消力池后面的消防冲措施,称为海漫。其作用是进一步消杀水流的剩余动能,保护河床免受水流的危害性冲刷。 Protector and the sea romantic: gate, dam downstream of the pool floor, known as escort tank. It is used to protect the riverbed in the range of water jets from erosion. General use of concrete or paddling masonry made, escalator elevation and size depends on escort water javelin hydraulic characteristics. Followed by Tan or tank behind the fire flush measures, known as the sea diffuse. Its role is to further kill the remaining kinetic energy of water flow, to protect the river bed from the dangers of water erosion.