A geosynthetic clay liner (GCL) is a type of geosynthetic material that is commonly used in foundation design. Its primary role in foundation design is to act as a barrier to prevent water and other types of fluids from penetrating the foundation. This barrier effect is achieved through the use of a layer of bentonite, which is a type of clay that swells and becomes impermeable when it comes into contact with water.
The use of a GCL in foundation design can help to protect the foundation from the damaging effects of water and other fluids. This can include reducing the risk of erosion, soil liquefaction, and other types of water-related damage. In addition to providing a barrier to water, a GCL can also help to stabilize the foundation by providing a consistent level of support and preventing the formation of voids or gaps beneath the foundation.
Overall, the use of a GCL in foundation design can help to improve the longevity and stability of the foundation, as well as reduce the risk of damage due to water and other types of fluid penetration.
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