Anti-seepage geomembrane for anti-seepage layer of red mud yard

The application of geomembrane composite impervious layer in red mud yard. The impervious layer in red mud yard is a key part to prevent harmful substances in red mud from penetrating into the surrounding environment. The following is a detailed explanation of the impervious layer of the red mud yard:

Composition of impermeable layer

1. Support layer ：

• The support layer is located at the bottom layer, and its main function is to provide a stable foundation for the whole anti-seepage system.
• It is usually constructed of compacted soil or crushed stone, ensuring that the superstructure is not damaged by ground subsidence
• 2.
• Geomembrane ：

• Geomembrane is the core part of the impermeable layer and is responsible for directly blocking the penetration of moisture and harmful substances.
• For dry red mud yards, high-density polyethylene ( HDPE） Geomembrane. HDPE The membrane has excellent chemical stability and durability, and can effectively resist corrosive substances in red mud.
• HDPE The thickness and performance of the membrane should comply with relevant national standards, such as “Geosynthetic Polyethylene Geomembrane”, etc.

• 3.

  Protective layer ：

• The protective layer is located on top of the geomembrane and the main purpose is to protect the geomembrane from mechanical damage and UV radiation.
• The protective layer may be constructed of sand, gravel, or other suitable materials, which should have good water permeability and stability.

Construction precautions

• Before construction, detailed survey and evaluation of the construction site should be carried out to ensure that the foundation is stable and meets the design requirements.
• The geomembrane should be laid flat, wrinkle-free, and ensure tight joints at the joints to reduce the possibility of leakage.
• During laying, sharp objects should be avoided from piercing the geomembrane.
• The laying of the protective layer should be uniform and dense to ensure that it can effectively protect the geomembrane.

Maintenance and monitoring

• Regularly inspect and maintain the anti-seepage layer of the red mud yard, and promptly find and repair any damage or leakage.
• The performance of the impervious layer can be monitored regularly by setting up monitoring wells or using other detection methods, ensuring that it is always in good working order.

In short, the design and construction of anti-seepage layer in red mud yard need to comprehensively consider a variety of factors, including material properties, construction conditions and long-term operation stability. Through reasonable material selection and construction, as well as regular maintenance and monitoring, the safe operation of red mud yard can be ensured and the impact on the environment can be reduced.