Fiber optic interferometric method for investigation of deformations of building structure

Yuri N. Kulchin; Oleg B. Vitrik; Yana I. Vitrik; Yuri S. Petrov

doi:10.1117/12.435896

8 August 2001 Fiber optic interferometric method for investigation of deformations of building structure

Yuri N. Kulchin, Oleg B. Vitrik, Yana I. Vitrik, Yuri S. Petrov

Author Affiliations +

Proceedings Volume 4513, Optoelectronic Information Systems and Processing; (2001) https://doi.org/10.1117/12.435896
Event: Optoelectronic Information Systems and Processing, 2000, Vladivostok, Russian Federation

Abstract

It is shown, that the singlefiber doublemode interferometer implanted into structure of a tested concrete unit allows to measure the unit structural deflection, absolute elongation and residual deformations in real time with accuracy not worse, than 0.05 μm. it is also shown, that the developed interferometric method allows to indicate a point of time of unit's crack initiation and to estimate the crack opening displacement.

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Yuri N. Kulchin, Oleg B. Vitrik, Yana I. Vitrik, and Yuri S. Petrov "Fiber optic interferometric method for investigation of deformations of building structure", Proc. SPIE 4513, Optoelectronic Information Systems and Processing, (8 August 2001); https://doi.org/10.1117/12.435896

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