TY JOUR TI Factor Model of Vibrodynamic Load Effect on Pipeline Reliability KW Factor influence model KW experiment planning KW factor matrix KW amplitude-frequency characteristics of the oscillatory process of the pipeline KW full factor experiment KW fractional factor experiment JO Proceedings of Petersburg Transport University AU Postnova, E.V. AU Runev, E.V. PY 2023 IS 20 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"