TY CONF TI JUSTIFICATION OF PARAMETERS OF MODERNIZATIOM OF MACHINES FOR JET GROUTING OF SOILS KW Hydrojet grouting KW technical level KW equipment evaluation KW comparison algorithm KW expert-free method KW efficiency improvement JO MODERN SYSTEMS AND TECHNOLOGIES IN TRANSPORT: PROBLEMS AND PROSPECTS AU Davydova, E.Y. AU Pushkarev, A.E. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov