Stone Columns
Known as Vibro Replacement ,V.R technology is well suited for improvement of soft soils such as silty sand, silts, clays and non homogeneous fills, and depth of improvement up to 20m.This technique increase the bearing capacity of the soil while reducing settlement and liquefaction risk . Stone columns are made across the area to be improved in a triangular or rectangular grid pattern. They have been used in Europe since the 1950s, Column depth, width and number depends on local soil strata.
