TY JOUR TI 3D MODELING OF FORCES IN WORK EQUIPMENT OF BULLDOZER BLADES WITH EXTENDABLE SECTIONS KW dump KW sections KW equipment KW automation KW workflow KW soil KW development KW 3D modeling JO Transport engineering AU Shchepalin, D.E. AU Sladkova, L.A. PY 2026 IS 2026 PB Bryansk State Technical University