Study on distributed fiber optic crack sensor for concrete structures

被引：0

作者：

Dai, Jing-Yun ^{[1
]}

Zhang, Wen-Tao ^{[1
]}

Xu, Hua ^{[1
]}

Sun, Bao-Chen ^{[1
]}

Du, Yan-Liang ^{[1
]}

机构：

[1] Shijiazhuang Railway Inst, Key Lab Struct Hlth Monitoring & Control Hebei Pr, Shijiazhuang 050043, Peoples R China

来源：

STRUCTURAL CONDITION ASSESSMENT, MONITORING AND IMPROVEMENT, VOLS 1 AND 2 | 2007年

关键词：

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

In this paper a novel distributed fiber optic crack sensor based on optical time domain reflectometer (OTDR) is introduced. A novel packaging of the crack sensor is proposed. The bare optical fiber is embedded into the polymer which protects the fiber from fracture and transfers the deformation of the structure to the fiber. Experiment is carried out to evaluate the performance of the distributed fiber optic crack sensor. The primary results show that the fiber optic crack sensor has good linearity between the bend loss and the crack open size. Further experiment is being undertaken.

引用

页码：986 / 987

页数：2

共 4 条

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[2] GARSIDE BK, 1991, SPIE, V1588, P150
[3] Distributed fiber-optic bi-directional strain-displacement sensor modulated by fiber bending loss
Li, C
Zhang, YM
Liu, H
Wu, S
Huang, CW
[J]. SENSORS AND ACTUATORS A-PHYSICAL, 2004, 111 (2-3) : 236 - 239
[4] Meng Aidong, 2000, Transactions of Nanjing University of Aeronautics & Astronautics, V17, P224

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