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Ingeniería y Desarrollo
versión impresa ISSN 0122-3461versión On-line ISSN 2145-9371
Resumen
GARCIA, KATIA LUIS; PARNAS, VIVIAN BEATRIZ ELENA; MAES, KRISTOF y LOMBAERT, GEERT. Full scale measurements of a self-supporting tower using accelerometers and strain gauges. Ing. Desarro. [online]. 2020, vol.38, n.1, pp.259-278. Epub 16-Jun-2021. ISSN 0122-3461. https://doi.org/10.14482/inde.38.1.531.38.
Full-scale tests are powerful tools to improve the knowledge of the dynamic response of structures. Among its main applications is the identification of damages, design optimization, and model updating. Full-scale tests are performed, generally using accelerometers and strain gauges, applying systems identification techniques, such as Operational Modal Analysis and Operational Modal Analysis with eXogen input. The dynamic characteristics of the structure: natural frequencies, damping ratios, and mode shapes are obtained from these measurements. This work aims to describe the test of a real self-supporting tower, as well as the methodology of selecting the position of the sensors in the tower and the system identification techniques applied to this case. As a final result of the work, a guide is obtained that allows the development and application of this technique at similar tower-like structures.
Palabras clave : dynamic characteristics; full scale tests; modal analysis; sensors; system identification.