The article shows the use of a low-cost technology of engineering and seismological examination of the structural state of engineering structures in order to detect anomalous zones in them by the example of the survey of the Bugrinsky bridge in Novosibirsk.
The article presents the results of field experiments on the influence of the natural frequencies in the soil and constant exposure to the outside over time for stability engineering structures. It is shown that the frequency-amplitude spectrum of the natural oscillations of the investigated multi-storey residential building does not change over time.
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