An Optical Interferometric Triaxial Displacement Sensor for Structural Health Monitoring: Characterization of Sliding and Debonding for a Delamination Process: Characterization of sliding and debonding for a delamination process

Chen Zhu; Yizheng Chen; Yiyang Zhuang; Yang Du; Rex E. Gerald; Yan Tang; Jie Huang

doi:10.3390/s17112696

An Optical Interferometric Triaxial Displacement Sensor for Structural Health Monitoring: Characterization of Sliding and Debonding for a Delamination Process: Characterization of sliding and debonding for a delamination process

Chen Zhu
, Yizheng Chen
, Yiyang Zhuang
, Yang Du
, Rex E. Gerald
, Yan Tang
, Jie Huang

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

This paper presents an extrinsic Fabry-Perot interferometer-based optical fiber sensor (EFPI) for measuring three-dimensional (3D) displacements, including interfacial sliding and debonding during delamination. The idea employs three spatially arranged EFPIs as the sensing elements. In our sensor, the three EFPIs are formed by three endfaces of three optical fibers and their corresponding inclined mirrors. Two coincident roof-like metallic structures are used to support the three fibers and the three mirrors, respectively. Our sensor was calibrated and then used to monitor interfacial sliding and debonding between a long square brick of mortar and its support structure (i.e., a steel base plate) during the drying/curing process. This robust and easy-to-manufacture triaxial EFPI-based 3D displacement sensor has great potential in structural health monitoring, the construction industry, oil well monitoring, and geotechnology.

Original language	American English
Article number	2696
Journal	Sensors
Volume	17
Issue number	11
DOIs	https://doi.org/10.3390/s17112696
State	Published - Nov 1 2017

Keywords

Construction industry
Debonding
Delamination
Interferometers
Mirrors
Oil wells
Optical fibers, 3-D displacement
Displacement sensor
Interfacial sliding
Metallic structures
Sensing elements
Support structures
Three-dimensional displacements
Threedimensional (3-d), Structural health monitoring
Extrinsic Fabry-Perot interferometer

Disciplines

Electrical and Computer Engineering

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10.3390/s17112696License: CC BY

An Optical Interferometric Triaxial Displacement Sensor for StrucFinal published version, 2.61 MBLicense: CC BY

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Zhu, C., Chen, Y., Zhuang, Y., Du, Y., Gerald, R. E., Tang, Y., & Huang, J. (2017). An Optical Interferometric Triaxial Displacement Sensor for Structural Health Monitoring: Characterization of Sliding and Debonding for a Delamination Process: Characterization of sliding and debonding for a delamination process. Sensors, 17(11), Article 2696. https://doi.org/10.3390/s17112696

An Optical Interferometric Triaxial Displacement Sensor for Structural Health Monitoring: Characterization of Sliding and Debonding for a Delamination Process: Characterization of sliding and debonding for a delamination process. / Zhu, Chen; Chen, Yizheng; Zhuang, Yiyang et al.
In: Sensors, Vol. 17, No. 11, 2696, 01.11.2017.

Research output: Contribution to journal › Article › peer-review

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title = "An Optical Interferometric Triaxial Displacement Sensor for Structural Health Monitoring: Characterization of Sliding and Debonding for a Delamination Process: Characterization of sliding and debonding for a delamination process",

abstract = " This paper presents an extrinsic Fabry-Perot interferometer-based optical fiber sensor (EFPI) for measuring three-dimensional (3D) displacements, including interfacial sliding and debonding during delamination. The idea employs three spatially arranged EFPIs as the sensing elements. In our sensor, the three EFPIs are formed by three endfaces of three optical fibers and their corresponding inclined mirrors. Two coincident roof-like metallic structures are used to support the three fibers and the three mirrors, respectively. Our sensor was calibrated and then used to monitor interfacial sliding and debonding between a long square brick of mortar and its support structure (i.e., a steel base plate) during the drying/curing process. This robust and easy-to-manufacture triaxial EFPI-based 3D displacement sensor has great potential in structural health monitoring, the construction industry, oil well monitoring, and geotechnology.",

keywords = "Construction industry, Debonding, Delamination, Interferometers, Mirrors, Oil wells, Optical fibers, 3-D displacement, Displacement sensor, Interfacial sliding, Metallic structures, Sensing elements, Support structures, Three-dimensional displacements, Threedimensional (3-d), Structural health monitoring, Extrinsic Fabry-Perot interferometer",

author = "Chen Zhu and Yizheng Chen and Yiyang Zhuang and Yang Du and Gerald, \{Rex E.\} and Yan Tang and Jie Huang",

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AU - Chen, Yizheng

AU - Zhuang, Yiyang

AU - Du, Yang

AU - Gerald, Rex E.

AU - Tang, Yan

AU - Huang, Jie

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N2 - This paper presents an extrinsic Fabry-Perot interferometer-based optical fiber sensor (EFPI) for measuring three-dimensional (3D) displacements, including interfacial sliding and debonding during delamination. The idea employs three spatially arranged EFPIs as the sensing elements. In our sensor, the three EFPIs are formed by three endfaces of three optical fibers and their corresponding inclined mirrors. Two coincident roof-like metallic structures are used to support the three fibers and the three mirrors, respectively. Our sensor was calibrated and then used to monitor interfacial sliding and debonding between a long square brick of mortar and its support structure (i.e., a steel base plate) during the drying/curing process. This robust and easy-to-manufacture triaxial EFPI-based 3D displacement sensor has great potential in structural health monitoring, the construction industry, oil well monitoring, and geotechnology.

AB - This paper presents an extrinsic Fabry-Perot interferometer-based optical fiber sensor (EFPI) for measuring three-dimensional (3D) displacements, including interfacial sliding and debonding during delamination. The idea employs three spatially arranged EFPIs as the sensing elements. In our sensor, the three EFPIs are formed by three endfaces of three optical fibers and their corresponding inclined mirrors. Two coincident roof-like metallic structures are used to support the three fibers and the three mirrors, respectively. Our sensor was calibrated and then used to monitor interfacial sliding and debonding between a long square brick of mortar and its support structure (i.e., a steel base plate) during the drying/curing process. This robust and easy-to-manufacture triaxial EFPI-based 3D displacement sensor has great potential in structural health monitoring, the construction industry, oil well monitoring, and geotechnology.

KW - Construction industry

KW - Debonding

KW - Delamination

KW - Interferometers

KW - Mirrors

KW - Oil wells

KW - Optical fibers, 3-D displacement

KW - Displacement sensor

KW - Interfacial sliding

KW - Metallic structures

KW - Sensing elements

KW - Support structures

KW - Three-dimensional displacements

KW - Threedimensional (3-d), Structural health monitoring

KW - Extrinsic Fabry-Perot interferometer

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DO - 10.3390/s17112696

M3 - Article

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VL - 17

JO - Sensors

JF - Sensors

IS - 11

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ER -

An Optical Interferometric Triaxial Displacement Sensor for Structural Health Monitoring: Characterization of Sliding and Debonding for a Delamination Process: Characterization of sliding and debonding for a delamination process

Abstract

Keywords

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