What Is Falling Head Permeability Test?

What Is Falling Head Permeability Test? Description. The falling head permeability test is used to determine the permeability of fine grained soils with intermediate and low permeability such as silts and clays with permeability in range of 1×10– 5 to 1×10– 9. This testing method can be applied to an undisturbed sample. What is constant