DESIGNING AND DETAILING OF BUILDING SYSTEMS. MECHANICS IN CIVIL ENGINEERING

Localization of the places of stress-strain state changes of building structures based on the vibrodiagnostic measurement data

Vestnik MGSU 9/2014
  • Shakhraman'yan Andrey Mikhaylovich - SODIS LAB LLC Candidate of Technical Sciences, Director General, SODIS LAB LLC, 11-1 Bolotnikovskaya str., 117556, Moscow, Russian Federation; +7 (495) 545-48-40; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 54-66

The method of localization of changes in the deflected mode is based on the analysis of time series of oscillations (displacement, velocity, acceleration) of building constructions and structures. The method is based on the hypothesis that any changes in the deflected mode of structures result in changes in the oscillation energy. In this case, once the information on the structure oscillation parameters in different points of the building is available, the changes in the oscillation energy will signify the changes in the deflected mode in the relevant points.

DOI: 10.22227/1997-0935.2014.9.54-66

References
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  7. Grigor'ev Yu.P., Gur'ev V.V., Dmitriev A.N., Dorofeev V.M. Patent 2254426 RF, MPK E04G23/00, G01M7/00. Sposob opredeleniya izmeneniy napryazhenno-deformirovannogo sostoyaniya konstruktsiy zdaniya ili sooruzheniya; patentoobladatel' Moskovskiy nauchno-issledovatel'skiy i proektnyy institut tipologii, eksperimental'nogo proektirovaniya. ¹ 2004128916/03; zayavl. 04.10.2004; opubl. 20.06.2005. Byul. ¹ 17 [Russian Patent 2254426 RF, MPK E04G23/00, G01M7/00. The Method of Determining the Stress and Strain State Changes in the Structures of a Building or a Construction; Patent Holder — Moscow Scientific Research and Design Institute of Typology, Experimental Design. No. 2004128916/03; applied 04.10.2004; publ. 20.06.2005. Bulletin no. 17]. 6 p.
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  10. Shakhraman'yan A.M. Systemy monitoringa i prognoza tekhnicheskogo sostoyaniya zdaniy i sooruzheniy. Teoriya i praktika [Monitoring and Forecast Systems of Technical State of Buildings and Constructions. Theory and Practice]. Russkiy inzhener [Russian Engineer]. 2011, no. 1 (28), pp. 54—64.

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Experience of using automated monitoring systems of the strain state of bearing structures on the olympic objects sochi-2014

Vestnik MGSU 12/2015
  • Shakhraman’yan Andrey Mikhaylovich - Research and Production Association of Modern Diagnostic Systems (NPO SODIS) candidate of technical sciences, Director General, Research and Production Association of Modern Diagnostic Systems (NPO SODIS), innovative center «Skolkovo», 4-2 Lugovaya str., 143026, Moscow, Russian Federation.
  • Kolotovichev Yuriy Aleksandrovich - Research and Production Association of Modern Diagnostic Systems (NPO SODIS) candidate of technical sciences, Deputy chief designer, Research and Production Association of Modern Diagnostic Systems (NPO SODIS), innovative center «Skolkovo», 4-2 Lugovaya str., 143026, Moscow, Russian Federation.

Pages 92-105

Various defects, which occur because of the influence of different environmental factors become the reason for the emergencies of building structures. Monitoring of certain parameters of bearing structures in the process of their erection and beginning of operation will help detecting negative processes which may endanger mechanical safety of buildings. The authors offer the operating results of automated monitoring system of the bearing structures state of the ice arena “Shayba” in the Olympic park in Sochi during the earthquake which happened on December 23th, 2012. The arena was equipped with a dynamic monitoring system, which helped estimating the influence of a seismic occurrence on the building constructions, to make prompt conclusions on absence of damages of the bearing structures, get important data on the dynamic response of the structure.

DOI: 10.22227/1997-0935.2015.12.92-105

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