TY JOUR TI THE ESTIMATED LENGTH OF CRANE BRANCHES THROUGH THE STEEL COLUMNS OF PLANE FRAMES KW column KW stability KW effective length coefficient KW crane branch JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Vodyahin, N.V. AU Piriev, Y.. PY 2016 IS 1 PB Belgorod State Technological University named after V.G. Shukhov