Characterization of OFDR distributed optical fiber for crack monitoring considering fiber-coating interfacial slip

L Zhao, F Tang, HN Li, F Ansari - Structural Health …, 2023 - journals.sagepub.com
An analytical crack-strain transfer model considering interfacial bond-slip between optical
fiber and fiber coating is proposed and experimentally validated for crack monitoring of …

Lateral positioning of vibration source for underground pipeline monitoring based on ultra-weak fiber Bragg grating sensing array

J Jiang, F Liu, H Wang, S Li, W Gan, R Jiang - Measurement, 2021 - Elsevier
Monitoring the underground pipeline to prevent the illegal intrusion is a quite important work
for civil infrastructure security management. The distributed fiber optic sensing technology …

[HTML][HTML] Fiber Bragg grating based displacement sensors with low visual impact for structural health monitoring applications–Monastery of Batalha case

L Pereira, I Bourgeois, H Rodrigues, H Varum… - Sensors and Actuators A …, 2024 - Elsevier
The preservation of heritage structures and buildings is a major concern to guarantee
access of the cultural and architectural values to current and future generations. It also …

A novel monitoring approach for train tracking and incursion detection in underground structures based on ultra-weak FBG sensing array

Q Nan, S Li, Y Yao, Z Li, H Wang, L Wang, L Sun - Sensors, 2019 - mdpi.com
Tracking operating trains and identifying illegal intruders are two important and critical
issues in subway safety management. One challenge is to find a reliable methodology that …

Experimental and numerical investigation on the strain response of distributed optical fiber sensors bonded to concrete: Influence of the adhesive stiffness on crack …

I Alj, M Quiertant, A Khadour, Q Grando, B Terrade… - Sensors, 2020 - mdpi.com
The present study investigated the strain response of a distributed optical fiber sensor
(DOFS) sealed in a groove at the surface of a concrete structure using a polymer adhesive …

Application research on FRP-OFBG bars in static load test for maglev guideway prestressed concrete girders

P Li, N Feng, Z Huo, J He, M Wang, K Yang, J Bai, S Li - Measurement, 2024 - Elsevier
The prestressed concrete (PC) girder serves as the main load-bearing and force-transmitting
structure of the medium–low-speed maglev line and plays a key role in ensuring the safe …

Determination of the real cracking moment of two reinforced concrete beams through the use of embedded fiber optic sensors

J Garcia Diaz, N Navarro Cano, E Rua Alvarez - Sensors, 2020 - mdpi.com
This article investigates the possibility of applying weldable optic fiber sensors to the
corrugated rebar in reinforced concrete structures to detect cracks and measure the …

[PDF][PDF] Experimental and Numerical Investigation on the Strain Response of Distributed Optical Fiber Sensors Bonded to Concrete: Influence of the Adhesive Stiffness …

JC Renaud, K Benzarti - hal.science
The present study investigated the strain response of a distributed optical fiber sensor
(DOFS) sealed in a groove at the surface of a concrete structure using a polymer adhesive …

Influence of the cracking moment of two reinforced concrete beams obtained through fiber optic sensors in the determination of their instant deflections= Influencia del …

JG Díaz - Building & Management, 2020 - polired.upm.es
This article investigates the measurement of the real instantaneous deflection using a
displacement transducer, and with fiber optic sensors embedded and welded to the …