Monitoring Bridge Dynamic Responses Using Fiber Bragg Grating Tiltmeters
AbstractIn bridge health monitoring, tiltmeters have been used for measuring rotation and curvature; however, their application in dynamic parameter identification has been lacking. This study installed fiber Bragg grating (FBG) tiltmeters on the bearings of a bridge and monitored the dynamic rotational angle. The dynamic features, including natural frequencies and mode shapes, have been identified successfully. The innovation presented in this paper is the first-time use of FBG tiltmeter readings to identify the natural frequencies of a long-span steel girder bridge. The identified results have been verified using a bridge finite element model. This paper introduces a new method for the dynamic monitoring of a bridge using FBG tiltmeters. Limitations and future research directions are also discussed in the conclusion. View Full-Text
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Xiao, F.; Chen, G.S.; Hulsey, J.L. Monitoring Bridge Dynamic Responses Using Fiber Bragg Grating Tiltmeters. Sensors 2017, 17, 2390.
Xiao F, Chen GS, Hulsey JL. Monitoring Bridge Dynamic Responses Using Fiber Bragg Grating Tiltmeters. Sensors. 2017; 17(10):2390.Chicago/Turabian Style
Xiao, Feng; Chen, Gang S.; Hulsey, J. L. 2017. "Monitoring Bridge Dynamic Responses Using Fiber Bragg Grating Tiltmeters." Sensors 17, no. 10: 2390.
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