A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Optical fiber-based sensors with flexible encapsulation for pavement behavior monitoring
Owing to the increasing needs for robust highway pavement structural monitoring tools with high accuracy and functionality, this paper introduces some results from the research on developing optical fiber-based pavement behavior monitoring sensors. A new flexible encapsulation technique for optical fiber sensing element has been proposed to help the sensor withstand the harsh working environment and guarantee measuring accuracy. Both fiber Bragg grating and Brillouin optical time domain analysis/reflectometry-based sensors have been produced in a lab with the proposed encapsulation for high accuracy and distributed measurement, respectively. The precision of the fiber Bragg grating-based sensor has been specially calibrated in a lab. Lab and field tests have been carried out to study the effectiveness of the proposed sensors. It has been found that the proposed sensors have high survival rate (>75%) and are efficient for pavement structural behavior monitoring and damage detection.
Optical fiber-based sensors with flexible encapsulation for pavement behavior monitoring
Owing to the increasing needs for robust highway pavement structural monitoring tools with high accuracy and functionality, this paper introduces some results from the research on developing optical fiber-based pavement behavior monitoring sensors. A new flexible encapsulation technique for optical fiber sensing element has been proposed to help the sensor withstand the harsh working environment and guarantee measuring accuracy. Both fiber Bragg grating and Brillouin optical time domain analysis/reflectometry-based sensors have been produced in a lab with the proposed encapsulation for high accuracy and distributed measurement, respectively. The precision of the fiber Bragg grating-based sensor has been specially calibrated in a lab. Lab and field tests have been carried out to study the effectiveness of the proposed sensors. It has been found that the proposed sensors have high survival rate (>75%) and are efficient for pavement structural behavior monitoring and damage detection.
Optical fiber-based sensors with flexible encapsulation for pavement behavior monitoring
Liu, Wanqiu (author) / Wang, Huaping (author) / Zhou, Zhi (author) / Xing, Xiaoying (author) / Cao, Dandan (author) / Jiang, Zhen (author)
Structural Control and Health Monitoring ; 22 ; 301-313
2015
13 Seiten
Article (Journal)
English
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