The interaction between the construction mix and the work tool of an electromagnetic shock-vibrating machine during vibrocompaction is studied. The physical model of construction mix is represented as a system with distributed parameters. The test stand that includes a shock-vibrating machine and equipment for receiving, recording, and analyzing data was manufactured. Experiments were conducted and the displacement and phase shift of construction layers during vibrocompaction were determined. The main parameters of the interaction between the construction and vibrating machine are analyzed using a numerical method. A spectral analysis of the stress–strain state of a concrete mix is performed. The change in the stress–strain state of the concrete mix during vibrocompacting is described. A mathematical modeling is carried out. A stable multi-frequency mode of motion of the shock-vibrating machine is established. A new design of vibrating machine is proposed.
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Translated from Prikladnaya Mekhanika, Vol. 56, No. 6, pp. 116–129, November–December 2020.
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Basarab, V.A. Study of the Dynamical Parameters of Vibration Machine for Compaction of Construction Mixes. Int Appl Mech 56, 750–761 (2020). https://doi.org/10.1007/s10778-021-01052-y
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DOI: https://doi.org/10.1007/s10778-021-01052-y