TY JOUR TI CAUSES OF FATIGUE CRACKS IN CRANE GIRDERS OF HEAVY DUTY OVERHEAD CRANES KW crane beam KW fatigue damage KW theories of fatigue failure KW durability JO Construction and Architecture AU Bogachev, B.A. AU Buzalo, N.A. AU Loseva, V.E. AU Filileyev, A.A. PY 2023 IS 11 PB Publishing Center RIOR