Abstract
The possibility of a resonant method for detecting defects in the slab anchoring the embankment dams and levee slopes, using Novosibirsk hydroelectric power station as the study object is shown. The accumulation of amplitude spectra of acoustic noise recordings makes it possible to determine the frequencies of the first few modes of standing compressional waves generated by noise in concrete slab fasteners. A sharp increase in the frequency of the lowest mode of standing waves is an indicator of the appearance of voids or De compaction of the base soils under the slabs.
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Acknowledgements
The availability of the obtained data is limited by the requirements of the project in the framework of which it was obtained (FNI project No 0331-2019-0009 “Dynamic analysis of seismic data for building realistic models of the geological environment based on mathematical and physical modeling”).
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Fedin, K.V., Kolesnikov, Y.I., Ngomayezwe, L. (2022). Determination of Cavities Under the Concrete Slab Anchoring the Upper Slopes of the Novosibirsk Hydroelectric Power Station Using Standing Waves. In: Chaplina, T. (eds) Processes in GeoMedia—Volume IV. Springer Geology. Springer, Cham. https://doi.org/10.1007/978-3-030-76328-2_1
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DOI: https://doi.org/10.1007/978-3-030-76328-2_1
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