Investigation of rotational motion in a reinforced concrete frame construction by a fiber optic gyroscope

Kurzych, A.T. and Jaroszewicz, L.R. and Kowalski, J.K. and Sakowicz, B. (2020) Investigation of rotational motion in a reinforced concrete frame construction by a fiber optic gyroscope. Opto-Electronics Review, 28 (2). pp. 69-73.

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Official URL: https://doi.org/10.24425/opelre.2020.132503

Abstract

This paper deals with an issue of a rotational motion impact on a construction and presents civil engineering applications of a fiber optic rotational seismograph named Fiber-Optic System for Rotational Events & Phenomena Monitoring. It has been designed for a long- term building monitoring and structural rotations’ recording. It is based on the Sagnac effect which enables to detect one-axis rotational motion in a direct way and without any reference system. It enables to detect a rotation component in the wide range of a signal amplitude from 10-8 rad/s to 10 rad/s, as well as a frequency from DC to 1000 Hz. Data presented in this paper show the behavior of a reinforced concrete frame construction on different floors. Several measurements were carried out by placing the applied sensor on different floor levels of a building. The laboratory and in-situ measurements confirmed that Fiber-Optic System for Rotational Events & Phenomena Monitoring is an accurate and suitable device for applications in civil engineering.

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Item Type: Article
Subjects: Methodology > Other-additional study
Project: EPOS-PL