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Zeying Bian, Mengyuan Zeng, Hongduo Zhao, Mu Guo and Juewei Cai
Measuring the axle loads of vehicles with more accuracy is a crucial step in weight enforcement and pavement condition assessment. This paper proposed a vibration-based method, which has an extended sensing range, high temporal sampling rate, and dense s...
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Mengyuan Zeng, Hongduo Zhao, Kedi Peng, Zeying Bian and Difei Wu
This paper presents a method to assess the load transfer efficiency (LTE) of concrete pavement joints using distributed optical vibration sensors. First, a theoretical analysis of concrete pavement vibration was conducted to investigate how to reflect LT...
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Khurram Naeem, Bok Hyeon Kim, Dong-Jin Yoon and Il-Bum Kwon
We propose a weighted singular value decomposition (WSVD) to reduce the random noise in the Rayleigh backscattering signal of the phase-sensitive optical time domain reflectometry (F-OTDR) to enhance the detection performance of the distributed vibration...
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Shaohua Xu, Zujun Qin, Wentao Zhang and Xianming Xiong
As a fully distributed sensor, the phase-sensitive optical time domain reflectometer (f-OTDR) has attracted remarkable attention in real-time vibration detection. We present a dual-channel f-OTDR (DC-f-OTDR), formed by two single-channel f-OTDRs (SC-f-OT...
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Massimo Leonardo Filograno, Christos Riziotis and Maria Kandyla
The design, development, and testing of a low-cost phase optical time-domain reflectometry (Phase-OTDR) system, intended for use in structural health monitoring (SHM) applications, are presented. Phase-OTDR is a technology that is growing and evolving at...
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