if the hydraulic conductivity of a clay specimen compacted wet of optimum is too high to use in a landfill liner (i.e., ks>10-9 m/s), discuss two strategies that could be used to lower the hydraulic conductivity.

Respuesta :

1. Apply surcharge load for pre-consolidation. So that voids spaces will decrease and will cause Lower hydraulic conductivity.

2. Pre-fabricated vertical drains may be installed to accelerate the consolidation process. It ultimately densities the soil and reduce hydraulic conductivity.

The ability of a fluid to move through the network of fractures or pores in porous materials, such as soils and rocks, is referred to as hydraulic conductivity, which is symbolically represented as K. The capacity of the fluid to permeate pores and fractured rocks is known as hydraulic conductivity of the material. The type of soils present in the area determine the conductivity. It depends on the soil's texture, density, grain size and distribution, and macrostructure to determine how quickly water flows through the voids in the soil. This property is also referred to as hydraulic conductivity or permeability. Hydrologists require hydraulic conductivity values for modeling, and scientists use it to assess the health of the soil or forecast how water will move through it at various field locations.

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