Development of theoretical and experimental dynamic monitoring of large-scale building structure

Authors

DOI:

https://doi.org/10.15587/2312-8372.2018.123463

Keywords:

dynamic monitoring, frequencies and forms of natural oscillations, finite element model

Abstract

The object of research is the method of monitoring and assessing the technical condition of the large-sized building structure of the International Exhibition Center (Kyiv, Ukraine). The currently applied method of monitoring this structure is based on the use of deformation indicators. The indicators of this method do not allow estimating the global technical state of the structure. Taking into account the social importance of the structure, it is possible to use dynamic monitoring while monitoring its technical condition.

In the course of the study, two independent finite element models of the controlled facility are developed in the SCAD (Russia) and NASTRAN (USA) software complexes. With their help, a modal analysis was made and the values of the frequencies and forms of the natural oscillations of the structure were determined. The natural measurements of its natural frequencies have been made. It is found that the difference between the calculated and natural values of natural frequencies does not exceed 3 %.

In addition, version of an automated experimental control system is proposed, which includes the use of three-component accelerometers MS2002+, Geoscop software, controlled by the operating system MS Server.

The received results testify to the efficiency of the use of frequencies and forms of natural oscillations in the system of monitoring the technical state of the given structure. In comparison with static deformation parameters, they allow estimating the global technical condition and determining the integrity of the structure.

Author Biographies

Viktor Gaidaichuk, Kyiv National University of Construction and Architecture, 31, Povitroflotsky аve., Kyiv, Ukraine, 03037

Doctor of Technical Sciences, Professor, Head of the Department

Department of Theoretical Mechanics

Konstantin Kotenko, Kyiv National University of Construction and Architecture, 31, Povitroflotsky аve., Kyiv, Ukraine, 03037

Postgraduate Student

Department of Theoretical Mechanics

Ihor Kedyk, SIXENSE Ukraine LLC, of. 702, 7, Vandy Vasylevskoyi str., Kyiv, Ukraine, 04116

Senior Engineer

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Published

2018-12-28

How to Cite

Gaidaichuk, V., Kotenko, K., & Kedyk, I. (2018). Development of theoretical and experimental dynamic monitoring of large-scale building structure. Technology Audit and Production Reserves, 1(2(39), 38–45. https://doi.org/10.15587/2312-8372.2018.123463

Issue

Vol. 1 No. 2(39) (2018): Information and Control Systems

Section

Systems and Control Processes: Original Research

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Copyright (c) 2018 Konstantin Kotenko, Viktor Gaidaichuk, Ihor Kedyk

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