TY JOUR TI WIDTH DISCLOSURE CRACKS OF REINFORCED CONCRETE CONSTRUCTIONS OF TRAPEZOIDAL CROSS-SECTION TAKING INTO ACCOUNT NEW EFFECTS OF RESISTANCE KW cracks disclosure width KW reinforced concrete KW flexible element KW reinforce KW dual console element JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Kolchunov, V.I. AU Nikulin, A.I. AU Obernihin, D.V. PY 2018 IS 3 PB Belgorod State Technological University named after V.G. Shukhov