透水框架四面体防洪护岸试验研究

Experimental study on flood control and bank protection by tetrahedron permeable frames

结合长江南京河段的水沙条件,采用试验模拟方法对透水框架四面体阻力特性和护岸抗冲特性进行研究。结果表明,采用透水框架四面体护岸后,不仅使护岸工程区抗冲流速增大,而且对于护岸工程区下游一定范围内也有较好的防冲护岸效果;在平顺河道的透水框架四面体护岸工程中,可采用间隔布置方式。

Experimental study was performed on the characteristics of tetmhedron permeable frames for bank protection and scour resistance according to the water-sediment condition of Nanjing section of Yangtze River. The result shows that the adoption of tetrahedron permeable frames can not only improve the flow velocity against scouring in the area of the bank protection project, but also achieve good effect on erosion control and bank protection within a certain region on the lower reach of the project. For smooth river channels, tetrahedron permeable frames could be arranged in a stagger form for bank protection.