Material for repairing dykes comprises sand or powdered stone which has been treated, preferably with calcium stearate or tall oil, to make it hydrophobic

摘要

Material for repairing dykes comprises sand or powdered stone which has been treated, preferably with 1 -2 wt% calcium stearate or with tall oil, to make it hydrophobic. Independent claims are included for: (a) a repair system for dykes comprising containers filled with the material; (b) a dyke whose core is made from the material or using the system; and (c) a method for making the material by mixing sand or powdered stone with an agent to make it hydrophobic.