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Article

Open Access

Method of Prototyping Sensitive Dynamic Engineering Structures Supporting Automatic Information Identification Regarding a Structure’s Condition

Author(s)

Tomasz Owerko

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DOI:10.17265/1934-7359/2016.08.007

Affiliation(s)

Department of Engineering Surveying and Civil Engineering, AGH University of Science and Technology, Cracow 30-059, Poland

ABSTRACT

This publication presents an algorithm analyzing dynamic sensitive engineering structures. The measurements data which are analyzed were mostly obtained during test loading of given designs, but some examples are made also with simulated data. Data are decomposed in time and frequency domains. Hence, one is able to attain the rate of stress absorption of a given structure, in direct conjunction with the presented algorithm that is based upon the Hilbert transformation. Next, the information in stationary signals that represents a given structure before and after damage, is used to help determine the state of existing objects. Finally, the presented algorithm is capable of an in-depth analysis of new structures and monitoring existing ones, including those which are being exposed to continual use.

KEYWORDS

SHM, bridge load testing, signal processing, surveying, deformation monitoring.

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