TY JOUR TI On the Issue of Choice of the Most Rational Combination of Earth-Moving and Transport Equipment in Earthwork Production KW Mass service theory KW earth-moving and transporting equipment KW probability theory KW rational combination of construction equipment KW construction process productivity KW earthworks JO Bulletin of scientific research results AU Panchenko, N.M. AU Basovskiy, D.A. PY 2023 IS 2023 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"