Open AccessApplication of Vibrating Wire Strain Gages for Evaluating Main Pipeline Stress-Strain State
Author(s) -
Anatoly A. Ignatik,
AUTHOR_ID
Publication year - 2021
Publication title -
tehnologii nefti i gaza
Language(s) - English
Resource type - Journals
ISSN - 1815-2600
DOI - 10.32935/1815-2600-2021-137-6-57-61
Subject(s) - strain gauge , vibrating wire , pipeline transport , structural engineering , deflection (physics) , stress (linguistics) , stress–strain curve , vibration , engineering , materials science , geotechnical engineering , mechanical engineering , acoustics , finite element method , electrical engineering , physics , optics , linguistics , philosophy
The use of anti-turbulent and depressant additives makes it possible to increase the efficiency of oil pipelines trThis article considers the physical basis of the vibrating wire method of monitoring the stress-strain state of the pipe walls. A laboratory experiment performed on a stand for measuring pipe strains during its bending by vibrating wire strain gages is described. The values of longitudinal strains obtained by vibrating wire and electrical strain gage methods are compared. The geometric task of determining the deflection of the strain gage wire when it is installed in the circumferential direction on pipelines of different diameters is solved in order to assess the reliability of the strain gage readings. The main points of the methodology for evaluating the stress-strain state of main pipelines by the vibrating wire method are considered and the classification of pipeline section functional state is proposed.