After the
The soils were placed in metal cylinders with a diameter of 210 mm and a height of 360 mm, slightly tamped and withstood for 3-7 days.
Determination of the soil resistance to the shift was carried out on a single -closed shift device of the design of Savinov Luskin to vibration, immediately after vibration and then 10 and 20 days after the vibration according to the open and closed shift scheme.