2015
DOI: 10.1108/sr-01-2015-0012
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Development and operation of a fiber Bragg grating based online monitoring strategy for slope deformation

Abstract: Purpose – The purpose of this paper is to investigate an online monitoring strategy that incorporates fiber Bragg gratings (FBGs) for deformation displacement detection, with the background that slope deformation monitoring is crucial to engineering safety supervision and disaster prevention. Design/methodology/approach – A “beam element” method has been proposed, introduced and experimentally verified in detail. The deformation displace… Show more

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Cited by 32 publications
(15 citation statements)
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“…As far as monitoring the internal displacements of slopes was concerned, Pei et al [25] developed a new type of FBG-based in-place inclinometer for slope monitoring according to the classical indeterminate beam theory. Guo et al [26] estimated the displacement profiles of the slope using the curvatures and deflection angles detected by the FBG flexible sensor. The above scholars, with comprehensive insights in the field of FBG shapes sensing, have propelled research forward, and the technology has advanced to achieve an excellent performance in their respective application fields.…”
Section: Introductionmentioning
confidence: 99%
“…As far as monitoring the internal displacements of slopes was concerned, Pei et al [25] developed a new type of FBG-based in-place inclinometer for slope monitoring according to the classical indeterminate beam theory. Guo et al [26] estimated the displacement profiles of the slope using the curvatures and deflection angles detected by the FBG flexible sensor. The above scholars, with comprehensive insights in the field of FBG shapes sensing, have propelled research forward, and the technology has advanced to achieve an excellent performance in their respective application fields.…”
Section: Introductionmentioning
confidence: 99%
“…Since then, the optical fiber grating sensing technology had ushered in its booming period. The sensing technology based on the fiber grating has been widely used in civil engineering, machinery and equipment, robotic, medicine, and aero space, among others [4][5][6]. The varieties of optical fiber gratings commonly used include fiber Bragg grating (FBG), blazed fiber Bragg grating (BFBG), chirped fiber Bragg grating (CFBG), and long-period fiber grating(LPFG), among them, FBG, which is the earliest researched grating, is also the most widely used in the optical fiber sensing field.…”
Section: Introductionmentioning
confidence: 99%
“…Li et al [ 15 ] established a deflection–strain relationship for FBG flexible rods, which was then used in physical model tests to measure the displacements of the underground caves. Guo et al [ 16 ] calculated the displacement profiles of beams using the strains and rotation angles measured by the FBG sensing points. Kim N.S.…”
Section: Introductionmentioning
confidence: 99%