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Structural Engineering and Mechanics   Volume 69, Number 3, February10 2019, pages 347-359
DOI: https://doi.org/10.12989/sem.2019.69.3.347
 
Evaluation of Dorim-Goh bridge using ambient trucks through short-period structural health monitoring system
Mosbeh R. Kaloop, Won Sup Hwang, Emad Elbeltagi, Ashraf Beshr and Jong Wan Hu

 
Abstract     [Buy Article]
    This paper aims to evaluate the behavior of Dorim-Goh bridge in Seoul, Korea, under static and dynamic loads effects by ambient trucks. The prestressed concrete (PSC) girders and reinforcement concrete (RC) slab of the bridge are evaluated and assessed. A short period monitoring system is designed which comprises displacement, strain and accelerometer sensors to measure the bridge performance under static and dynamic trucks loads. The statistical analysis is used to assess the static behavior of the bridge and the wavelet analysis and probabilistic using Weibull distribution are used to evaluate the frequency and reliability of the dynamic behavior of the bridge. The results show that the bridge is safe under static and dynamic loading cases. In the static evaluation, the measured neutral axis position of the girders is deviated within 5% from its theoretical position. The dynamic amplification factor of the bridge girder and slab are lower than the design value of that factor. The Weibull shape parameters are decreased, it which means that the bridge performance decreases under dynamic loads effect. The bridge girder and slab\'s frequencies are higher than the design values and constant under different truck speeds.
 
Key Words
    monitoring; bridge; wavelet; safety; dynamic
 
Address
Mosbeh R. Kaloop:
1) Department of Civil and Environmental Engineering, Incheon National University, Korea
2) Incheon Disaster Prevention Research Center, Incheon National University, Incheon, Korea
3) Public Works and Civil Engineering Department, Mansoura University, Egypt
Won Sup Hwang: Department of Civil Engineering, Inha University, Incheon, Korea
Emad Elbeltagi: Structural Engineering Department, Mansoura University, Mansoura, Egypt
Ashraf Beshr: Public Works and Civil Engineering Department, Mansoura University, Egypt
Jong Wan Hu:
1) Department of Civil and Environmental Engineering, Incheon National University, Korea
2) Incheon Disaster Prevention Research Center, Incheon National University, Incheon, Korea
 

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