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상시 계측결과를 이용한 고속철도 교량의 유지관리 기준치 설정
서형렬(Seo Hyeong Lyel),한상철(Han Sang Chul),지기환(Ji Ki Hwan) 한국철도학회 2006 한국철도학회 학술발표대회논문집 Vol.- No.-
Banwol bridge with steel plate girder and Pyongtaek bridge with PSC bos girder have been operated maintenance measuring system by the Seoul-Chonan of Kyongbu express railway. By analyzing the theoretical and experimental values of design load for these two bridge, the establishment of reference maintenance for measuring items was deduced from research. Two materials, steel and concrete plates, were considered as the upper structure. Actual measurement data for the behavior under speed, structural analysis results, and the presented references were analyzed and used to set up the reference establishment. The measuring items are stress(strain), displacement, dynamic acceleration, expansion movement, and dynamic frequency. The maintenance reference was established by comparing analytical and measuring values of the five items with respect to structural state class.
상시 계측결과를 이용한 경부고속철도 교량의 동적거동 분석
정재민(Jae-Min Chung),한상철(Sang-Chul Han),최일윤(Il-Yoon Choi),이준석(Jun-Seok Lee),서형렬(Hyeong-Lyel Seo) 한국철도학회 2004 한국철도학회 학술발표대회논문집 Vol.- No.-
The Korea high-speed rail, based on the French design. It also implements new concept to increase the strength of bridge deck by adding an impact factor (dynamic intensity factor) in static load. In order to assure the dynamic stability, SYSTRA and Jeseph Penzien, a professor in CEC (the US) conducted a dynamic stability review on design phase. Analyzing the review results, they developed design criteria for dynamic behavior. This study deal with operating PSC box GIRDER equipped with measurement equipment or measured data of Seoul~Taejeon, P.S.C BOX GIRDER bridge and steel comsition bridge equipped with measurement equipment based on structual knowledge about configuration of measuring sensor, response analysis of structure when train runs was performed by using measured data of PSC box girder to directly compare with design criteria. moreover, the dynamic stability with comparison of high-speed rail construction criteria was reviewed and analyzed based on historical records.