Keywords:  filter backfills, drainage, water absorbent columns, low permeable loamy soils

Мелиорация.– 2024. – №3 (109). – P 5–11

The issues of choosing the most functional and costeffective material for well-filtering backfills of drainage trenches and water absorbent columns are considered, as well as the connection between the structures and materials used for the construction of drainage filter elements with the proposed measures for long-term maintenance of high permeability of the drained layer of swelling low permeable loamy soils.