TY JOUR TI INVESTIGATION OF THE CAUSES OF PREMATURE FAILURE OF THE CROWN OF THE RIPPER STRUCTURE PRODUCED USING DIRECT RE-ENGINEERING TECHNOLOGIES KW stand KW crown KW ripper KW dozer KW working pressure KW displacement KW equivalent stresses JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Kachaev, A.E. PY 2024 IS 9 PB Belgorod State Technological University named after V.G. Shukhov