Browsing by Author "Wozniak, Oleg"

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    Device for Measuring and Evaluation Stress-Strain State Transport Facilities at Variable Load and Temperature
    (Dolnośląskie Wydawnictwo Edukacyjne, Wroclaw, 2015) Luchko, Józef; Kovalchuk, Vladimir; Wozniak, Oleg
    EN: In this work the scientific principles of a new device for the measurement and evaluation of the stress-strain state of transportation facilities under changing temperatures and loads. The technical problem which is solved by this work is to adopt the monitored transport facilities evidence-based decisions about the need for renewal of an element, controlling gradual reduction of the bearing capacity of the structural elements, establishing their actual technical condition and residual life. At the heart of the new device is measuring strain using analog-to-digital converter (ADC) and analog measuring bridge-tensometer. The advantage of the proposed device is that the accuracy of measurements made with the help does not depend on the length of the connecting conductors and supply voltage. He can help you evaluate and consider the deformation caused by too, and temperature effects on transport facilities.