GATE Civil Engineering (CE) 2023 Shift 2 Solved Paper

A vertical sheet pile wall is installed in an anisotropic soil having coefficient of horizontal permeability, 𝑘_𝐻 and coefficient of vertical permeability, 𝑘_𝑉. In order to draw the flow net for the isotropic condition, the embedment depth of the wall should be scaled by a factor of ______, without changing the horizontal scale.