Integral characteristics of absolute and relative silo vibrations under seismic influencev.

Authors

  • Володимир Петрович Шпачук Beketov Kharkiv National University of Municipal Economy Str. Revolyutsії,12, Kharkiv, Ukraine, 61002, Ukraine https://orcid.org/0000-0003-2391-9514
  • Микола Андрійович Засядько Beketov Kharkiv National University of Municipal Economy Str. Revolyutsії,12, Kharkiv, Ukraine, 61002, Ukraine https://orcid.org/0000-0001-9333-2909
  • Алла Олегівна Гарбуз Beketov Kharkiv National University of Municipal Economy Str. Revolyutsії,12, Kharkiv, Ukraine, 61002, Ukraine https://orcid.org/0000-0002-9246-0359
  • Анна Юріївна Абракітова Beketov Kharkiv National University of Municipal Economy Str. Revolyutsії,12, Kharkiv, Ukraine, 61002, Ukraine https://orcid.org/0000-0001-8201-0787

DOI:

https://doi.org/10.15587/1729-4061.2014.19895

Keywords:

vibration, body silage, seismic effects, displacement, acceleration, damping

Abstract

The results of investigating the dependence of integral quadratic values of the absolute acceleration and relative shift of a silo body on structural characteristics of the body, columns and seismic influence parameters have been presented in the article. The task of minimization of integral quadratic relative shift of silo by choosing damping coefficient has been solved. The expressions for the optimum value of damping coefficient and integral quadratic criterion as a function of maximum value of absolute acceleration have been obtained. The mathematic model and optimum value of damping coefficient allow to determine structural parameters of bearing silo structure and therefore to provide specified indices of its vibration resistance, vibration strength and durability in use. Graphic dependences of values of integral quadratic absolute acceleration and integral quadratic relative shift of a silo body at modifying the amplitude of seismic influence and the coefficient of relative damping of columns, silo mass and the value of its integral quadratic absolute acceleration have been presented. The data obtained are expected to be used in designing new and modification silo samples, high buildings and structures maintained in seismic zones as well as when developing and introducing active and passive means of damping them.

Author Biographies

Володимир Петрович Шпачук, Beketov Kharkiv National University of Municipal Economy Str. Revolyutsії,12, Kharkiv, Ukraine, 61002

Doctor of Technical Sciences, Professor

Department of Theoretical and structural mechanics

Микола Андрійович Засядько, Beketov Kharkiv National University of Municipal Economy Str. Revolyutsії,12, Kharkiv, Ukraine, 61002

Docent

Department of Theoretical and structural mechanics

Алла Олегівна Гарбуз, Beketov Kharkiv National University of Municipal Economy Str. Revolyutsії,12, Kharkiv, Ukraine, 61002

Ph.d, docent

Department of Theoretical and structural mechanics

Анна Юріївна Абракітова, Beketov Kharkiv National University of Municipal Economy Str. Revolyutsії,12, Kharkiv, Ukraine, 61002

Postgraduate

Department of Theoretical and structural mechanics

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Published

2014-02-04

How to Cite

Шпачук, В. П., Засядько, М. А., Гарбуз, А. О., & Абракітова, А. Ю. (2014). Integral characteristics of absolute and relative silo vibrations under seismic influencev. Eastern-European Journal of Enterprise Technologies, 1(7(67), 4–8. https://doi.org/10.15587/1729-4061.2014.19895

Issue

Vol. 1 No. 7(67) (2014): Applied mechanics

Section

Applied mechanics

License

Copyright (c) 2014 Володимир Петрович Шпачук, Микола Андрійович Засядько, Алла Олегівна Гарбуз, Анна Юріївна Абракітова

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