The three-dimensional geomat that has emerged in recent years has been very popular, and the price of three-dimensional geomat is also very substantial. Three-dimensional geomat not only significantly improves the overall and partial stability of the slope, and is conducive to the growth of slope vegetation, while reducing the cost of the project, and has important use value in the field of soil and water conservation.

The effect of three-dimensional geomat on slope protection is also obvious. The three-dimensional vegetation net slope protection skill incorporates the advantages of combining geotechnical net and plant net, and has the function of composite slope protection. The vegetation cover area of the slope reaches more than 30% and can withstand light rain; the vegetation cover area exceeds 80% and can withstand heavy rain. When the vegetation grows luxuriantly, it can resist runoff erosion up to 6m/s, which is more than 2 times of ordinary turf. The presence of 3D vegetation mesh is very effective in reducing soil moisture evaporation from the slope and increasing infiltration. The geonet material is black polyethylene, which has the effect of absorbing heat and keeping it warm, promoting seed germination and facilitating plant growth.

When the construction period contradicts with the vegetation cultivation period, when the project is just completed and enters the heavy rainfall season, reinforced grass should be chosen for fast protection of the project, so that the project can be fully covered with anti-scouring vegetation after completion. Reinforced grass is the use of three-dimensional geomat will be pre-cultivated in the grass or site adjacent to the open space, after the formation of ping can be whole roll or sub-roll, and then laid to the slope surface to be maintained.

In arid areas where treatment is difficult, soil coagulants can be used, where suitable grass seed is specially treated and mixed into the soil coagulant for spraying, or where grass seed is first spread and then the soil coagulant is applied. After treatment of the slope with soil coagulant, neither the grass seed nor the soil will be blown away by the wind, while the coagulant also reduces the evaporation of water from the soil, ensuring to a certain extent the water supply for the grass seed and greatly improving its survival rate.