What method is typically used to join panels of geomembrane together?

The method used to join panels of geomembrane together is thermal or chemical welding. This process is essential for creating a strong, impermeable barrier in applications such as landfills, where preventing leakage is crucial for environmental protection.

Thermal welding involves heating the edges of the geomembrane panels until they become pliable, and then pressing them together to form a bond as they cool. This technique provides a robust and durable seal that can withstand the stresses of environmental conditions and the weight of materials placed on top of the geomembrane.

Chemical welding, on the other hand, uses solvents or adhesives that chemically interact with the geomembrane material to create a molecular bond. This method is also effective and is often used for specific types of geomembranes or in situations where heat welding may not be appropriate.

The other methods mentioned, such as stapling and adhesive bonding, do not provide the level of durability and impermeability required for the reliable function of geomembranes in landfill operations. Hence, thermal or chemical welding is the preferred technique, as it ensures the integrity and performance of the geomembrane system.