To the issue of monitoring of metal-bearing bridges supporting fiber optic sensors | Zendy

M. Yu. Fedotov | Zendy; Maxim Loskutov | Zendy; I. S. Shelemba | Zendy; А. С. Колесников | Zendy; Igor Ovchinnikov | Zendy

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To the issue of monitoring of metal-bearing bridges supporting fiber optic sensors

Author(s) -

M. Yu. Fedotov,

Maxim Loskutov,

I. S. Shelemba,

А. С. Колесников,

Igor Ovchinnikov

Publication year - 2018

Publication title -

russian journal of transport engineering

Language(s) - English

Resource type - Journals

ISSN - 2413-9807

DOI - 10.15862/11sats318

Subject(s) - reinforcement , structural engineering , fiber bragg grating , bearing (navigation) , deflection (physics) , optical fiber , composite number , load bearing , materials science , fiber optic sensor , bridge (graph theory) , fiber , composite material , engineering , computer science , optics , telecommunications , physics , artificial intelligence , medicine

This article describes results of studies on the monitoring of deformations of load-bearing metal structures of a span structure of a bridge using fiber-optic sensors based on fiber Bragg gratings before and after reinforcement by polymer composite materials. It is received, that as a result of strengthening the deflection of the bridge has decreased in 2 times. The results of the experimental studies were compared with the computational justification carried out in PC LIRA 10.8. As a result of experimental and theoretical studies it was confirmed that the installed reinforcement system using composite spigots can be effectively used to restore the bearing capacity of artificial structures.

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