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Nikolay Gueorguiev; Miroslav Todorov; Yavor Boyche; Mihail Todorov; Meng
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Applied and Environmental Geophysics
The registration and analysis of seismic signals generated by different types of machines and vehicles are areas that, thanks to modern technological capabilities, create an opportunity to study various aspects of environmental behavior and generate timedepending loading function for civil engineering analysis. These analyses can be used in various areas of engineering research - on the one hand as a means of identifying the actuator (vehicle) and assessing its operating mode, and on the other hand - as a means of modelling the impact of generated mechanical waves on neighbouring objects. The application of this type of research can be clearly oriented towards assessing the impact of urban noise (traffic) on the buildings and facilities. With this assessment, technical solutions can be developed to reduce the harmful effects of traffic and machine vibrations. In the present study, data from accelerometers were used to determine the parameters of oscillation caused by different types of vehicles. Through the measurements and analysis, an opportunity was sought to identify the vehicles by means of FFT analysis and response spectra. Different types of accelerometers, from piezoelectric to molecular, were used. The results were subjected to mathematical transformations with SeismoMatch, V. 2016 (Spectral Analysis) and Excel (FFT analysis) and on this basis different markers were identified in the form of accelerations, velocities, and displacements in the registration positions.
Machine Oscillations; Seismic Waves; FFT Analysis; Response Spectra; Load Models
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The results of the study were achieved in the implementation of administrative contract №KP-06- RUSSIA /23 dated September 28, 2019 and RFBR grant 19-57-18001\19, for financing a research project with incl. № NSF 94 with the theme "Study of amplitude and frequency characteristics of seismic signals received from surface sources", designated based financing conducted by Bulgarian National Science Fund, "Competition for projects under programs of bilateral cooperation in 2018 - Bulgaria - Russia 2018-2019".
The results of the study will be used in the Work package 2. Intelligent security systems, Project BG05M2OP001-1.002-0006 - Creation and Development of a Center of Competence “Quantum Communication, Intelligent Security Systems and Risk Management” (Quasar), founded by the European Regional Development Fund through the Operational program “Science and education for smart growth”.
The authors declare that the content of this article has not been published previously. All the authors have contributed to the work described, read and approved the content for publication in this journal.
Proceedings of 22nd International Multidisciplinary Scientific GeoConference SGEM 2022
22nd International Multidisciplinary Scientific GeoConference SGEM 2022, 04 - 10 July, 2022
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Turkish Acad Sci.
04 - 10 July, 2022