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스마트 무선계측 시스템을 이용한 강박스 거더 교량의 동특성분석
허광희 ( Heo Gwang-hee ),손동진 ( Sohn Dong-jin ),전준용 ( Jeon Joon-ryong ),전승곤 ( Jeon Soeung-gon ),이진옥 ( Lee Chin-ok ) 한국구조물진단유지관리공학회 2010 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.14 No.1
In this paper, the dynamic characteristics of a steel box girder bridge are analyzed using a smart wireless measurement system. For the analysis, first, the FE modelling is done to obtain FFT value. Later, data are acquired from the wireless and also from the wired measurement system applied to the same spot of the steel box girder. Then, the real bridge structure is modelled on the basis of the data obtained by the wireless measurement system. The analyzed data value from the modelling is compared to those obtained by the wired measurement system. On the basis of the comparison, the analysis of the dynamic characteristics of steel box girder bridge is performed. The comparative analysis on the modelling values of two different measurement systems shows that the data from the one is in accord with those of the other.