Slope protection

Release time:

2024-04-25

The application of geosynthetics in mining runs through every link from mine construction to tailings treatment, waste rock dump management and slope protection, playing an indispensable role in improving mining production safety, reducing environmental pollution and ensuring sustainable development of resources.

In terms of slope protection and landslide prevention, geobags, cement blankets, geocells, and geogrids each have their own advantages, providing strong protection for the stability of mining slopes.

Geobags are usually made of high-strength, wear-resistant and corrosion-resistant geotextiles, and are filled with sand and gravel. In slope protection, its advantages are significant. Geobags have good flexibility and can fit closely to slopes of various complex terrains. Whether it is a relatively gentle tailings pond slope or a steep mine waste rock pile slope, it can be seamlessly laid. The protective structure formed by stacking a large number of geobags has strong anti-scouring ability.

Cement blanket is a new type of composite geosynthetics. It has unique advantages in slope protection to prevent landslides. The construction of cement blanket is extremely convenient and can greatly shorten the construction period. After encountering water, the cement in the cement blanket quickly hydrates and hardens in a short time to form a high-strength concrete structure, which can provide strong support for the slope. The cement blanket also has a certain degree of flexibility and can adapt to the slight deformation of the slope. While ensuring the protective effect, it will not break and fail due to the slight displacement of the slope, providing long-lasting and stable protection for the slope. After laying the geocell on the slope and filling the material, the overall stability of the filling material can be significantly improved, and the anti-slip performance of the slope can be enhanced.

The open hole structure of the geocell is conducive to the drainage of the slope, which can effectively reduce the water pressure inside the slope and reduce the risk of slope instability caused by excessive pore water pressure. The geocell can adapt to slopes with different slopes and geological conditions, and the specifications and filling materials of the cell can be flexibly adjusted according to the actual situation.

The geogrid can generate strong friction and interlocking between the geogrid and the slope soil, which can improve the cohesion and shear strength of the soil, thereby enhancing the ability of the slope to resist sliding force. It can also effectively disperse the load borne by the slope and reduce the impact of excessive local stress on the stability of the slope. It has good durability and can maintain its performance for a long time in harsh environments, continuously providing reinforcement for the slope.

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