Abstract: The relationship of coefficients of permeability and geometry(drain spacing) between axisymmetric vertical drains and plain vertical drains is established,considering both well resistance and smear zone effects.Thus matching the two problems can be achieved by adjusting the geometry and the permeability of soil.The settlement of one PVD embankment of express road is predicted with finite element method of Biot theory,adopting modified Cambridge model(MCM).The predicted results show close to the measurements.