Effect of the driving system on Hardin-type resonant columns. Karray, M., Abdellaziz, M., & Lashin, I. Canadian Geotechnical Journal, 59(9):1685 - 1689, 2022. Calibration process;Damping ratio;Driving systems;Dynamics properties;Modulus ratio;Resonant-column;Resonant-column devices;Rigid connection;Soil dynamics;Strain amplitude;![Effect of the driving system on Hardin-type resonant columns [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper abstract bibtex Resonant column (RC) devices have been widely used for estimating the shear modulus and damping ratio over a broad range of shear strain amplitudes. Although RCs significantly improve the assessment of soil dynamic properties, some challenges mainly associated with the calibration process still exist. This paper discusses the effect of the driving system rigidity on the measurements performed on a Hardin-type RC. It is shown that the use of a rigid connection between the soil specimen and the driving mass could significantly influence the obtained results. The findings of this study indicate that the apparatus resonant frequency of the Hardin-type RC device should be lower than the resonant frequencies likely to be measured during testing of the specimens.
© 2022 The Author(s).
@article{20223812778048 ,
language = {English},
copyright = {Compilation and indexing terms, Copyright 2023 Elsevier Inc.},
copyright = {Compendex},
title = {Effect of the driving system on Hardin-type resonant columns},
journal = {Canadian Geotechnical Journal},
author = {Karray, Mourad and Abdellaziz, Mustapha and Lashin, Ibrahim},
volume = {59},
number = {9},
year = {2022},
pages = {1685 - 1689},
issn = {00083674},
abstract = {<div data-language="eng" data-ev-field="abstract">Resonant column (RC) devices have been widely used for estimating the shear modulus and damping ratio over a broad range of shear strain amplitudes. Although RCs significantly improve the assessment of soil dynamic properties, some challenges mainly associated with the calibration process still exist. This paper discusses the effect of the driving system rigidity on the measurements performed on a Hardin-type RC. It is shown that the use of a rigid connection between the soil specimen and the driving mass could significantly influence the obtained results. The findings of this study indicate that the apparatus resonant frequency of the Hardin-type RC device should be lower than the resonant frequencies likely to be measured during testing of the specimens.<br/></div> © 2022 The Author(s).},
key = {Elastic moduli},
keywords = {Calibration;Natural frequencies;Shear flow;Shear strain;Soil mechanics;Soils;},
note = {Calibration process;Damping ratio;Driving systems;Dynamics properties;Modulus ratio;Resonant-column;Resonant-column devices;Rigid connection;Soil dynamics;Strain amplitude;},
URL = {http://dx.doi.org/10.1139/cgj-2021-0094},
}
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