A flow net for seepage under a sheet pile wall has n₁= 4, n = 8 and the permeabilities of the soil in the horizontal and vertical directions are: K₁ = 8 x 10-5 m/sec and K = 2x10-5 m/sec. If the head loss through the soil is 2 m, the quantity of seepage per meter length of the wall will be

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Principles of Seepage

In hydrology, when water flows down in a pore or crack of unsaturated soil due to gravity, the deep layer of soil is called seepage. It is the slow movement of water in the soil layer. Seepage is mainly found near hydraulic structures and is responsible for the stability of earthen-type hydraulic structures.