Application of cross-spectral analysis and fast Fourier transform to detect soil vibrations in the natural and technical geosystem of the Dniester PSPP

dc.citation.epage27
dc.citation.issue1 (34)
dc.citation.journalTitleГеодинаміка
dc.citation.spage19
dc.contributor.affiliationЧернівецький національний університет імені Юрія Федьковича
dc.contributor.affiliationYuriy Fedkovych Chernivtsi National University
dc.contributor.authorЗигар, Андрій
dc.contributor.authorZyhar, Andrii
dc.coverage.placenameЛьвів
dc.date.accessioned2024-02-13T09:29:36Z
dc.date.available2024-02-13T09:29:36Z
dc.date.created2023-06-26
dc.date.issued2023-06-26
dc.description.abstractОсновна мета дослідження полягає у виявленні залежності між змінами рівня води та деформацією ґрунту, девіатором напружень якого є циклічна зміна навантажень на ложе резервуара водосховища, тобто резервуар ГАЕС виконує роль осцилятора поперечних коливань, а ґрунтовий екстензометр – функцію зчитування та фіксації цих коливань. Методика. Для вирішення завдання потрібно записати часовий ряд коливань рівня води та часовий ряд коливань датчиків екстензометрів на всіх горизонтах заглиблення, виконати швидке перетворення Фур’є для коливань рівнів води окремо, далі аналогічно коливань кожного із датчиків екстензометра, розрахувати спектр потужності сигналів окремо всіх датчиків у ґрунті, зіставивши амплітудно-частотні, фазово-частотні складові спектрів потужності коливань рівня води та вертикальних коливань екстензометричних датчиків. Результати. Під час досліджень встановлено, що водосховище ГАЕС, є джерелом генерації низькочастотних коливань у широкому спектральному діапазоні. Ці коливання мають дуже довгі хвилі, вимірювані десятками тисяч кілометрів, які можуть поширюватися на великі відстані, як по фронту геологічних шарів, так і вглиб. Наукова новизна. Дослідження дають змогу точніше оцінити частотний спектр коливань і визначити резонансні явища, що можуть виникати в ґрунтах під час роботи енергооб’єкта. Крім того, це дослідження виконано в конкретному регіоні, що дає змогу отримати точніші дані про вплив низькочастотних коливань на геосистему в цьому регіоні. Отже, це дослідження може становити інтерес для фахівців у галузі геотехніки, геології та енергетики, а також може бути використане під час планування та експлуатації інших енергооб'єктів у подібних умовах. Практична значущість. Низькочастотні хвилі можна виявити за допомогою сейсмічних приладів, таких як сейсмометри. Результати цього дослідження допоможуть коригувати аналіз та інтерпретацію сейсмограм, що важливо для розуміння процесів, які відбуваються в зоні експлуатації гідроелектростанції.
dc.description.abstractThe main purpose of the study is to identify the relationship between changes in water level and soil deformation, where the cyclic change in loads on the reservoir bed is the stress deviator, i.e., the PSPP reservoir acts as an oscillator of transverse vibrations, and the soil extensometer performs the function of reading and recording these vibrations. Methodology. Solution of the problem requires recording the time series of water level fluctuations and extensometer sensor fluctuations on all depth horizons. It is also necessary to perform a fast Fourier transform for water level fluctuations separately and similarly to each extensometer sensor fluctuation. We need to separately calculate the signal power spectrum of all sensors in the soil, and compare the amplitude-frequency, phase-frequency components of the power spectra of water level oscillations and vertical oscillations of the extensometer sensors. Results. During the studies, it was found that the PSPP reservoir is a source of low-frequency vibrations in a wide spectral range. These vibrations have a very long wavelength, measured in tens of thousands of kilometers, which can propagate over long distances, both along the front of geological layers and in depth. Scientific innovation. The research in this article allows us to more accurately assess the frequency spectrum of vibrations and identify possible resonance phenomena that may occur in soils during the operation of a power facility. In addition, this study was conducted in a specific region, which makes it possible to obtain more accurate data on the impact of low-frequency vibrations on the geosystem in this region. Thus, this paper may be of interest to specialists in the field of geotechnics, geology, and energy. It can also be used in the planning and operation of other power facilities in similar conditions. Practical significance. Low-frequency waves can be detected by seismic instruments such as seismometers. The results of this study will help to correct the analysis and interpretation of seismograms, which is important for understanding the processes occurring in the hydroelectric power plant operation area.
dc.format.extent19-27
dc.format.pages9
dc.identifier.citationZyhar A. Application of cross-spectral analysis and fast Fourier transform to detect soil vibrations in the natural and technical geosystem of the Dniester PSPP / Andrii Zyhar // Geodynamics. — Lviv Politechnic Publishing House, 2023. — No 1 (34). — P. 19–27.
dc.identifier.citationenZyhar A. Application of cross-spectral analysis and fast Fourier transform to detect soil vibrations in the natural and technical geosystem of the Dniester PSPP / Andrii Zyhar // Geodynamics. — Lviv Politechnic Publishing House, 2023. — No 1 (34). — P. 19–27.
dc.identifier.doidoi.org/10.23939/jgd2023.01.019
dc.identifier.urihttps://ena.lpnu.ua/handle/ntb/61312
dc.language.isoen
dc.publisherВидавництво Львівської політехніки
dc.publisherLviv Politechnic Publishing House
dc.relation.ispartofГеодинаміка, 1 (34), 2023
dc.relation.ispartofGeodynamics, 1 (34), 2023
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dc.relation.referencesZyhar, A., Savchyn, I., Yushchenko, Y., & Pasichnyk, M. (2021, June 29). Geodynamics. Geodynamics, 1(30)2021(1(30)), 17-24. https://doi.org/10.23939/jgd2021.01.017
dc.relation.referencesenBabacan, A. E., & Akın, Ö. (2018). The investigation of soil–structure resonance of historical buildings using seismic refraction and ambient vibrations HVSR measurements: a case study from Trabzon in Turkey. Acta Geophysica, 66, 1413-1433. https://doi.org/10.1007/s11600-018-0208-0
dc.relation.referencesenBao, Y., Gao, P., & He, X. (2015). The water-level fluctuation zone of Three Gorges Reservoir-A unique geomorphological unit. Earth-Science Reviews, 150, 14-24. https://doi.org/10.1016/j.earscirev.2015.07.005
dc.relation.referencesenBosy, J., Kaplon, J., Rohm, W., Sierny, J., & Hadas, T. (2012, September 27). Near real-time estimation of water vapour in the troposphere using ground GNSS and the meteorological data. Annales Geophysicae, 30(9), 1379-1391. https://doi.org/10.5194/angeo-30-1379-2012
dc.relation.referencesenBubniak, A. M., Bubniak, I. M., & Zyhar, A. I. (2020). Lineaments analysis of the Dniester area (between Bakota and Novodnistrovsk). Geoinformatics: Theoretical and Applied Aspects 2020, 2020(1), 1-4. https://doi.org/10.3997/2214-4609.2020geo110
dc.relation.referencesenCao, X. (2018). Analysis on the phase frequency characteristic of soil impedance. Energy and Power Engineering, 10(04), 17. https://www.scirp.org/html/83604_83604.htm
dc.relation.referencesenCooley, J. W., & Tukey, J. W. (1965). An algorithm for the machine calculation of complex Fourier series. Mathematics of Computation, 19(90), 297-301. https://doi.org/10.1090/s0025-5718-1965-0178586-1
dc.relation.referencesenGeidt, V. D., Geidt, L. V., Geidt, A. V., & Sheshukova, S. V. (2021, December). Effect of Deep Vibration on Physical State of Soil Being Changed. Civil Engineering and Architecture, 9(7), 2273-2277. https://doi.org/10.13189/cea.2021.090714
dc.relation.referencesenGeokon. (2019). Instruction Manual 1150 (A-3) Borehole Extensometer. Otrimano z https://www.geokon.com/content/manuals/1150_Borehole_Exto_Model_A3.pdf
dc.relation.referencesenHerget, G. (1973, January). Variation of rock stresses with depth at a Canadian iron mine. International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 10(1), 37-51. https://doi.org/10.1016/0148-9062(73)90058-2
dc.relation.referencesenJadid, R., Montoya, B. M., Bennett, V., & Gabr, M. A. (2020). Effect of repeated rise and fall of water level on seepage-induced deformation and related stability analysis of Princeville levee. Engineering Geology, 266, 105458.Engineering Geology, 266, 105458. https://doi.org/10.1016/j.enggeo.2019.105458
dc.relation.referencesenJohnson, P. A., Zinszner, B., & Rasolofosaon, P. N. J. (1996, May 10). Resonance and elastic nonlinear phenomena in rock. Journal of Geophysical Research: Solid Earth, 101(B5), 11553-11564. https://doi.org/10.1029/96jb00647
dc.relation.referencesenLin, H. C., & Ye, Y. C. (2019, January). Reviews of bearing vibration measurement using fast Fourier transform and enhanced fast Fourier transform algorithms. Advances in Mechanical Engineering, 11(1), 168781401881675. https://doi.org/10.1177/1687814018816751
dc.relation.referencesenMolénat, J., Davy, P., Gascuel-Odoux, C., & Durand, P. (2000, January). Spectral and cross-spectral analysis of three hydrological systems. Physics and Chemistry of the Earth, Part B: Hydrology, Oceans and Atmosphere, 25(4), 391-397. https://doi.org/10.1016/s1464-1909(00)00032-0
dc.relation.referencesenPriya, S., Viehland, D., Carazo, A. V., Ryu, J., & Uchino, K. (2001, August). High-power resonant measurements of piezoelectric materials: Importance of elastic nonlinearities. Journal of Applied Physics, 90(3), 1469-1479. https://doi.org/10.1063/1.1381046
dc.relation.referencesenSavchyn, I. (2018, January 18). Local geodynamics of the territory of dniester pumped storage power PLANT. Acta Geodynamica Et Geomaterialia, 41–46. https://doi.org/10.13168/agg.2018.0002
dc.relation.referencesenSidorov, I. S., Periy, S., & Sarnavskyj, V. H. (2015, December 11). Determination of the earth surface movements in areas of Dniester HPPS using satellite and ground geodetic methodsGEODYNAMICS. Geodynamics, 2(19)2015(2(19)), 15-25. https://doi.org/10.23939/jgd2015.02.015
dc.relation.referencesenSorensen, H. V., Jones, D., Heideman, M., & Burrus, C. (1987). Real-valued fast Fourier transform algorithms. IEEE Transactions on acoustics, speech, and signal processing, 35(6), 849-863. https://doi.org/10.1109/TASSP.1987.1165220
dc.relation.referencesenState Service of Geology and Mineral Resources of Ukraine. (2021). State geological map of Ukraine on scale of 1:200,000 sheets M-35-XXVIII (Bar), M-35-XXXIV (Mohyliv-Podilskyi). Retrieved 2021, from https://www.geo.gov.ua/
dc.relation.referencesenTakemiya, H. (2008, February). Analyses of wave field from high-speed train on viaduct at shallow/deep soft grounds. Journal of Sound and Vibration, 310(3), 631-649. https://doi.org/10.1016/j.jsv.2007.09.056
dc.relation.referencesenTang, H., Wasowski, J., & Juang, C. H. (2019). Geohazards in the three Gorges Reservoir Area, China–Lessons learned from decades of research. Engineering Geology, 261, 105267.
dc.relation.referencesenThomson, D. (1982). Spectrum estimation and harmonic analysis. Proceedings of the IEEE, 70(9), 1055-1096. https://doi.org/10.1109/proc.1982.12433
dc.relation.referencesenUkrhydroenergo. (2023). https://uhe.gov.ua/filiyi/dyrektsiya_z_budivnytstva_dnistrovskoyi_haes
dc.relation.referencesenVainberg, A. I. (1993). Forces in the casing of the aggregate shafts of the Dnestrovsk water-storage electric power plant. Journal of Mining Science, 29(1), 27–31. https://doi.org/10.1007/bf00734327
dc.relation.referencesenZolfaghari, R., Shrivastava, Y., & Agelidis, V. G. (2012, March). A comparison between different windows in spectral and cross-spectral analysis techniques with Kalman filtering for estimating power quality indices. Electric Power Systems Research, 84(1), 128-134. https://doi.org/10.1016/j.epsr.2011.10.017
dc.relation.referencesenZyhar, A., Savchyn, I., Yushchenko, Y., & Pasichnyk, M. (2021, June 29). Geodynamics. Geodynamics, 1(30)2021(1(30)), 17-24. https://doi.org/10.23939/jgd2021.01.017
dc.relation.urihttps://doi.org/10.1007/s11600-018-0208-0
dc.relation.urihttps://doi.org/10.1016/j.earscirev.2015.07.005
dc.relation.urihttps://doi.org/10.5194/angeo-30-1379-2012
dc.relation.urihttps://doi.org/10.3997/2214-4609.2020geo110
dc.relation.urihttps://www.scirp.org/html/83604_83604.htm
dc.relation.urihttps://doi.org/10.1090/s0025-5718-1965-0178586-1
dc.relation.urihttps://doi.org/10.13189/cea.2021.090714
dc.relation.urihttps://www.geokon.com/content/manuals/1150_Borehole_Exto_Model_A3.pdf
dc.relation.urihttps://doi.org/10.1016/0148-9062(73)90058-2
dc.relation.urihttps://doi.org/10.1016/j.enggeo.2019.105458
dc.relation.urihttps://doi.org/10.1029/96jb00647
dc.relation.urihttps://doi.org/10.1177/1687814018816751
dc.relation.urihttps://doi.org/10.1016/s1464-1909(00)00032-0
dc.relation.urihttps://doi.org/10.1063/1.1381046
dc.relation.urihttps://doi.org/10.13168/agg.2018.0002
dc.relation.urihttps://doi.org/10.23939/jgd2015.02.015
dc.relation.urihttps://doi.org/10.1109/TASSP.1987.1165220
dc.relation.urihttps://www.geo.gov.ua/
dc.relation.urihttps://doi.org/10.1016/j.jsv.2007.09.056
dc.relation.urihttps://doi.org/10.1109/proc.1982.12433
dc.relation.urihttps://uhe.gov.ua/filiyi/dyrektsiya_z_budivnytstva_dnistrovskoyi_haes
dc.relation.urihttps://doi.org/10.1007/bf00734327
dc.relation.urihttps://doi.org/10.1016/j.epsr.2011.10.017
dc.relation.urihttps://doi.org/10.23939/jgd2021.01.017
dc.rights.holder© Інститут геології і геохімії горючих копалин Національної академії наук України, 2023
dc.rights.holder© Інститут геофізики ім. С. І. Субботіна Національної академії наук України, 2023
dc.rights.holder© Національний університет «Львівська політехніка», 2023
dc.rights.holder© A. Zyhar
dc.subjectоолітовий вапняк
dc.subjectгеотехнічний моніторинг
dc.subjectекстензометр
dc.subjectгідроакумулююча електростанція
dc.subjectґрунтова основа
dc.subjectстан ґрунту
dc.subjectспектральна щільність
dc.subjectшвидке перетворення Фур’є
dc.subjectoolitic limestone
dc.subjectgeotechnical monitoring
dc.subjectextensometer
dc.subjectpumped storage power plant
dc.subjectsoil base
dc.subjectsoil condition
dc.subjectspectral density
dc.subjectFast Fourier Transform
dc.subject.udc50.36.
dc.subject.udc551.1/.4
dc.titleApplication of cross-spectral analysis and fast Fourier transform to detect soil vibrations in the natural and technical geosystem of the Dniester PSPP
dc.title.alternativeЗастосування крос-спектрального аналізу, та швидкого перетворювання Фур’є для виявлення коливань ґрунту в природно-технічній геосистемі Дністровської ГАЕС
dc.typeArticle

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