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Slope Protection Mechanism of Three-dimensional Vegetation Network

The anti-erosion effect of vegetation is achieved through its three main components

1. Plant growth layer (including perianth, sheath, leaf, and stem).

The growth layer can prevent the surface soil of the slope from being eroded directly by rainwater. Through its dense covering. And reduce the scouring energy and surface runoff velocity of storm runoff. This reduces soil loss.

2. The humus layer (including the interface between deciduous layer and rhizome).

It provides a protective layer for the surface soil of the slope.

3. The third is the root layer.

This part reinforces and anchors the surface soil on the slope. And provide mechanical stabilization. In general, in the early stage of plant growth, Roots formed by individual plants only loosely intertwine. Without long-lying roots. Therefore it is easy to separate from the soil layer. And it can not play a protective role.

But the application of the three-dimensional network is to achieve more. Thorough shallow protection by enhancing the effect of the above three aspects.

1. In a certain thickness range, the protective performance and mechanical stability of the device are increased.

2. Because of the existence of the three-dimensional network, the huge roots of plants are connected with the three-dimensional network reinforcement to form a plate structure. Thus, It can increase the tensile strength and shear strength of the protective layer. And it also restricts the expansion of "progressive destruction" caused by erosion. Finally, Limited the occurrence of slip and uplift in the shallow surface of the slope.