Desensitized encapsulation FBG sensor for smart cable in bridge

被引：0
|
作者：
Li, Sheng [1 ]
Jiang, De-sheng [1 ]
Zhao, Xia [2 ]
机构：
[1] Wuhan Univ Technol, Natl Engn Lab Fiber Opt Sensing Technol, Wuhan 430070, Peoples R China
[2] Jiangsu FASTEN Grp Co, Fasten Technol Dev Ctr, Jiangyin 214400, Peoples R China
来源：
22ND INTERNATIONAL CONFERENCE ON OPTICAL FIBER SENSORS, PTS 1-3 | 2012年 / 8421卷
关键词：
Bridge; smart cable; fiber optical Bragg grating (FBG); strain measurement; desensitized encapsulation; parallel steel wire;
D O I：
10.1117/12.964989
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
The proposed desensitized encapsulation structure solved the problem that more than 5500 mu epsilon test range for FBG sensor. The single steel wire with proposed FBG sensor tension test in laboratory before and after fatigue experiment showed the rationality and reliability of sensor structure. A scheme using desensitized encapsulation FBG sensor to fabricate smart cable which was compatible with production process of parallel steel wires cable was designed. The specimen cable tension test verified sensors high survival rate of the design scheme and good long-term precision after fatigue experiment. Also the actual application of smart cable was tested by one bridge during the construction and operation stage.
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页数：4
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