Darcian flow refers to the movement of fluid through porous media, described by Darcy's law, which states that the flow rate is proportional to the hydraulic gradient and the permeability of the material. This concept is essential in understanding how water moves through soil and rock, especially in processes like dewatering, preloading, and vertical drainage. It helps predict how effective these techniques will be in stabilizing soil by managing groundwater levels and pore pressure.
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