Antishock ecological spur dike

Abstract

The invention discloses an antishock ecological spur dike, and belongs to the technical field of hydraulic engineering and water transportation. The antishock ecological spur dike is a channel improvement structure, and comprises a dam body and a dam head constructed on a cushion layer; antishock steel plates are fixed on the upstream face sides of the dam body and the dam head; and the dam body is provided with multiple holes positioned below a designed water level. The direct scouring of water currents to the dam body can be reduced, so that the stability of the dam body is maintained, and the channel operation and maintenance are facilitated; the plant growth is facilitated; proper habitats can be provided to fishes and demersal organisms; the use level of stones can be reduced; a lot of engineering investments can be saved; and in particular, river currents with more materials and deeper water are more prominent in benefit. In sum, the stability of the dam body can be improved; meanwhile, the surrounding ecological environments of the dam body can be improved; excellent living environments are created for such river organisms as fishes; and growth adhering conditions are provided to plants to meet the demands of engineering construction and environmental protection.

Description

technical field [0001] The invention relates to a channel regulation structure in the technical field of water conservancy and water transportation, in particular to an anti-scour ecological spur dam. Background technique [0002] my country has a vast territory and dense rivers. Spur dike structures are unavoidably used in river harnessing and waterway traffic construction projects. In river control projects, spur dikes are one of the most widely used structures; in flood control projects, they can be used to protect river banks from scour; sand attack"; in the reclamation project of the river beach, spur dams (groups) are often built first to promote silting. For the traditional spur dam structure, under the perennial water flow, the rocks on the surface layer slide down, and the dam body is severely eroded, especially at the dam head and dam root, where the flow velocity is fast and the foundation is easily washed away, resulting in local Instability, loss of remediati...

AI Technical Summary

Problems solved by technology

For the traditional spur dam structure, under the perennial water flow, the rocks on the surface layer slide down, and the dam body is severely eroded, especially at the dam head and dam root, where the flow velocity is fast and the foundation is easily washed away, resulting in local destabilization, loss of rectification function

In addition, under the sand attack action of the spur dam, the sediment will silt behind the dam to form a dam field. The flow here is relatively slow and the water depth is shallow, which is a good habitat for aquatic organisms. However, in the traditional spur dam design, often Neglecting to create a habitat for aquatic organisms, it is difficult for plants and animals to grow and inhabit at the spur

Images