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VEHICLE-S SEISMIC WAVES MEASUREMENTS
Abstract
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.
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