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Evaluation of Loads Applied on Engineering Structures Based on Structural Health Monitoring Data


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DOI: https://doi.org/10.15866/ireme.v14i2.18269

Abstract


The article is devoted to the monitoring methods and reliability prediction of the metal structures of large critical constructions improving. A technology for the in-line processing of the coming data from the measuring complex and the following formation on its basis of a model of processes of operational loading of the structure is proposed. This technology includes the following procedures: (a) conducting of preliminary finite element analysis to obtain the influence coefficients of various loads, (b) processing of current information from sensors for modeling loading processes and (c) the following numerical modeling of the stress-strain state of the structure using the loading model. This combination of hardware monitoring capabilities and numerical analysis significantly increases the monitoring efficiency. The example shows that this technology allows, for a limited number of sensors, obtaining extensive information about the operational load of the structure and changes in its functioning due to the supports subsidence or significant damage. The proposed technology is designed to improve the effectiveness of the monitoring of the technical condition of bridges, towers, large sports facilities.
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Keywords


Method; Structural Health Monitoring; Loading; FEA

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