Review on “ Effect of Smear on Consolidation by Radial Seepage Flow Using PVD”
Keywords:Vertical drain, Consolidation, Smear zone, Permeability
The installation of vertical drains with a mandrel causes significant disturbance of the subsoil surrounding the mandrel, resulting in a
smear zone. The smear zone affects the consolidation of the soil. This paper presents a new analytical solution for the consolidation
analysis of soil with a vertical drain. this zone retards the horizontal consolidation of soft clays in the vicinity of PVD. The characteristics
of the smear zone, such as its extent and hydraulic conductivity remain discrepant among investigators. This study attempts to determine
the extent of the smear zone and to measure the hydraulic conductivity of the smear zone directly by laboratory tests.