A construction technology for a check dam without management and protection and its downstream slope protection layer

Abstract

The invention provides a management-free and protective integrated check dam and its downstream slope protection layer layer construction technology. The pipe-free protection integrated check dam includes a homogeneous earth dam body and a protective layer on its surface. The protective layer includes an upstream slope protection layer, a mixed material layer and a downstream slope protection layer, and the upstream slope protection layer, the mixed material layer and the downstream slope protection layer The upstream slope protection layer, the mixture layer and the downstream slope protection layer are respectively arranged on the upstream dam slope surface, the dam crest and the downstream dam slope surface of the homogeneous earth dam body; There are several blind drainage pipes in each layer, and the blind drainage pipes all extend through the downstream slope protection layer to the external environment.

Description

A construction technology for a check dam without management and protection and its downstream slope protection layer technical field The present invention relates to the technical field of construction of check dams, in particular to a kind of check dam without pipe protection and its downstream slope protection Layer-by-layer construction techniques. Background technique In the Loess Plateau region of northwest my country, ravines are vertical and horizontal, and soil erosion is serious, in order to intercept the silt formed by soil erosion. Mud, built a large number of check dams in the trenches. The arrangement of check dams is generally based on the size of the drainage area of ​​the channel. A series of cascade dams are built in the hair, branch ditches and main ditches. The construction of check dams is important for raising the erosion base level of the ditches and preventing soil and water. It is of great significance in terms of loss, flood retention, mud ...

AI Technical Summary

Problems solved by technology

Due to the large number of check dams and scattered distribution, the management and protection tasks are huge, and the flood control standards of check dams are low. The excessive flood caused by the dam failure will pose a threat to the downstream check dam, thus forming a chain reaction

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