TY JOUR TI Modeling of dangerous internal forces in the calculation by the mixed method of statically indeterminate frames with bars of a given stiffness KW Mixed method KW force method KW displacement method KW frame calculation KW statically indeterminate frames KW analysis of the design scheme KW diagrams KW dangerous internal forces JO Modeling of systems and processes AU Sazonova, S.A. AU Asminin, V.F. AU Zvyaginceva, A.V. PY 2021 IS 14 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov