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  1. No Access

    Article

    Smart sensing, monitoring, and damage detection for civil infrastructures

    In this paper, recent research and application activities on smart sensing, monitoring, and damage detection for civil infrastructures are briefly introduced. Emphasis is given to the activities in Korea. Firs...

    Chung-Bang Yun, Jiyoung Min in KSCE Journal of Civil Engineering (2011)

  2. No Access

    Article

    Abuilt-in active sensing system-based structural health monitoring technique using statistical pattern recognition

    A piezoelectric sensor-based health monitoring technique using a two-step support vector machine (SVM) classifier is developed for railroad track damage identification. Abuilt-in active sensing system composed of...

    Seunghee Park, Jong-Jae Lee, Chung-Bang Yun… in Journal of Mechanical Science and Technolo… (2007)

  3. No Access

    Article

    Damage localization for bridges using probabilistic neural networks

    In this paper, the damage location of a bridge is identified using probabilistic neural networks. At first, modal parameters are identified from the ambient vibration data, and are utilized as the feature vect...

    Jong-Jae Lee, Chung-Bang Yun in KSCE Journal of Civil Engineering (2007)

  4. No Access

    Article

    Impedance-based damage detection for civil infrastructures

    The objective of this study is to investigate the feasibility of an impedance-based damage detection technique using piezoelectric (PZT) transducers for civil infrastructures such as steel bridges. The basic c...

    Seung-Hee Park Ph.D., **-Hak Yi, Chung-Bang Yun… in KSCE Journal of Civil Engineering (2004)

  5. No Access

    Article

    Recent R&D activities on structural health monitoring for civil infra-structures in Korea

    Developments and applications of structural health monitoring (SHM) systems have become active particularily for long-span bridges in Korea. They are composed of sensors, data acquisition system, data transmis...

    Chung-Bang Yun, Jong-Jae Lee, Sung-Kon Kim, Ji-Won Kim in KSCE Journal of Civil Engineering (2003)

  6. No Access

    Article

    Temperature effects on frequency-based damage detection in plate-girder bridges

    In this paper the variability of modal properties caused by temperature effects is assessed in order to adjust modal data used for nondestructive damage detection in structures. First, an experiment to estimat...

    Jeong-Tae Kim, Chung-Bang Yun, **-Hak Yi in KSCE Journal of Civil Engineering (2003)

  7. No Access

    Chapter and Conference Paper

    Fatigue Analysis of Fixed Offshore Structures Subjected to Random Waves

    In this paper, the fatigue behavior of fixed offshore structures subjected to random waves is studied. More specifically, the effect of the bandwidth of random stresses on the fatigue life estimation is invest...

    Chung Bang Yun, Jeong Soo Ryu in Computational Mechanics ’86 (1986)