Microstructured optical fiber based chloride ion sensing method for concrete health monitoring

Ding, Liyun; Li, Zhijie; Ding, Qingjun; Shen, Xiang; Yuan, Yinquan; Huang, Jun

doi:10.1016/j.snb.2018.01.091

Cited by 26 publications

(18 citation statements)

References 11 publications

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“…Recently, few numbers of fiber optic-based sensors to monitor Cl − concentrations in concrete environment was developed. Ding et al [59] have developed Cl − sensor using a suspended-core optical fiber for in-situ real-time monitoring. The predominant property of suspended-core optical fiber is its big air holes running throughout its length, and thus sensitive material could be stored into the holes.…”

Section: Fiber-optic Chloride Ion Sensorsmentioning

confidence: 99%

Autonomous Corrosion Assessment of Reinforced Concrete Structures: Feasibility Study

Taffese

Nigussie

2020

Sensors

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In this work, technological feasibility of autonomous corrosion assessment of reinforced concrete structures is studied. Corrosion of reinforcement bars (rebar), induced by carbonation or chloride penetration, is one of the leading causes for deterioration of concrete structures throughout the globe. Continuous nondestructive in-service monitoring of carbonation through pH and chloride ion (Cl−) concentration in concrete is indispensable for early detection of corrosion and making appropriate decisions, which ultimately make the lifecycle management of RC structures optimal from resources and safety perspectives. Critical state-of-the-art review of pH and Cl− sensors revealed that the majority of the sensors have high sensitivity, reliability, and stability in concrete environment, though the experiments were carried out for relatively short periods. Among the reviewed works, only three attempted to monitor Cl− wirelessly, albeit over a very short range. As part of the feasibility study, this work recommends the use of internet of things (IoT) and machine learning for autonomous corrosion condition assessment of RC structures.

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Section: Fiber-optic Chloride Ion Sensorsmentioning

confidence: 99%

Autonomous Corrosion Assessment of Reinforced Concrete Structures: Feasibility Study

Taffese

Nigussie

2020

Sensors

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“…Hollow-core PCF and index-guided PCF sensors have been demonstrated to detect gases such as methane, H 2 S, CO 2 , and acetylene with high sensitivity (ppm level) through direct interaction of light with gases in the holes [124,125,126,127,128]. A suspended-core fiber sensor has been developed for Cl − detection with a Cl − sensitive fluorescent material filled in the holes [129]. PCF LPG sensors have also been studied for Cl − and humidity monitoring [130,131].…”

Section: Emerging Corrosion Sensing Technologiesmentioning

confidence: 99%

“…A multi-parameter OFS has been developed to detect the water/solution presence, ionic strength, and temperature simultaneously without any coating through analyzing phase shifts in all the modes (Figure 18b), and a sensor network can be designed for internal corrosion monitoring of natural gas transmission pipelines [119]. OFS for Cl − and salinity monitoring are mostly based on the refractive index changes detected using tapered optical fiber, U-shaped fiber, SPR coating, or fluorescence sensitive material for chloride [129,167,168,169].…”

Section: Emerging Corrosion Sensing Technologiesmentioning

confidence: 99%

Corrosion Sensors for Structural Health Monitoring of Oil and Natural Gas Infrastructure: A Review

Wright

Lü

Devkota

et al. 2019

Sensors

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Corrosion has been a great concern in the oil and natural gas industry costing billions of dollars annually in the U.S. The ability to monitor corrosion online before structural integrity is compromised can have a significant impact on preventing catastrophic events resulting from corrosion. This article critically reviews conventional corrosion sensors and emerging sensor technologies in terms of sensing principles, sensor designs, advantages, and limitations. Conventional corrosion sensors encompass corrosion coupons, electrical resistance probes, electrochemical sensors, ultrasonic testing sensors, magnetic flux leakage sensors, electromagnetic sensors, and in-line inspection tools. Emerging sensor technologies highlight optical fiber sensors (point, quasi-distributed, distributed) and passive wireless sensors such as passive radio-frequency identification sensors and surface acoustic wave sensors. Emerging sensors show great potential in continuous real-time in-situ monitoring of oil and natural gas infrastructure. Distributed chemical sensing is emphasized based on recent studies as a promising method to detect early corrosion onset and monitor corrosive environments for corrosion mitigation management. Additionally, challenges are discussed including durability and stability in extreme and harsh conditions such as high temperature high pressure in subsurface wellbores.

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“…For chemical trace detection, Nguyen et al fabricated a fiber optic chloride sensor by employing fluorescence quenching of acridinium dye so that the dye bounds covalently to chloride ions [24]. They obtained sensitivity for chloride sensor at larger concentrations than 0.1 M. In the other study, Ding et al developed fiber optic sensor based on * Correspondence: malikkaya@ogu.edu.tr suspended core fiber optic to trace chloride in concrete by immobilizing lucigenin on the inner surface of the fiber with dip coating technique [25]. Choudhury and Yoshino [19] studied detection of chlorine content in drinking water by fiber optic evanescent field (EF) absorption sensor.…”

Section: Introductionmentioning

confidence: 99%

Fiber optic chemical sensors for water testing by using fiber loop ringdown spectroscopy technique

Kaya¹

2020

Turk J Elec Eng & Comp Sci

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Real-time response, low cost, sensitive and easy setup fiber optic chemical sensors were fabricated by etching a part of single mode fiber in hydrofluoric (HF) acid solution and tested in different water samples such as tap water, DI water, salty and sugar water with different concentrations to record ringdown time (RDT) differences between media due to refractive index differences by employing the fiber loop ringdown (FLRD) spectroscopy technique. Baseline stability of 0.63% and the minimum detectable RDT of 5.05 µ s for this kind of fiber optic chemical sensors were obtained. Fabricated sensors were coated with N,N-Diethyl-p-phenylenediamine for the first time and tested in several water solutions. Afterwards, the sensors were immersed into salty and sugar water solutions in different concentrations. The results showed that this kind of FLRDS fiber optic chemical sensors can be applicable to trace chemicals in water solutions. Moreover, fiber optic sensors can be specially modified to trace specifically any target chemicals in solutions for the special purpose and the early detection.

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Microstructured optical fiber based chloride ion sensing method for concrete health monitoring

Cited by 26 publications

References 11 publications

Autonomous Corrosion Assessment of Reinforced Concrete Structures: Feasibility Study

Autonomous Corrosion Assessment of Reinforced Concrete Structures: Feasibility Study

Corrosion Sensors for Structural Health Monitoring of Oil and Natural Gas Infrastructure: A Review

Fiber optic chemical sensors for water testing by using fiber loop ringdown spectroscopy technique

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