Abstract
The properties of flow through saturated soil are complicated. When the head is low, the flow is virtually linear, and Darcy's rule applies. The flow is nonlinear at the increasing head and is mathematically known as Forchheimer's flow. Several factors, including soil and fluid properties, influence the critical flow velocity for this transition and the corresponding Reynold's number. An experimental examination was carried out in this paper using a falling head permeameter and a locally accessible soft soil sample. The test findings were subjected to a careful analysis and interpretation to identify the linear and nonlinear flow characteristics, and key conclusions were obtained as a result.
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