Taking channel pollution control project in Xiawan Harbor as example,Reynolds mat and hexagonal hollow concrete block were designed for slope protection according to flow velocity and pollution degree in different channel reaches.

• 以霞湾港治污工程为例,根据不同河段的流速及污染程度分别设计使用了雷诺护垫护坡和空心混凝土六角块护坡。