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진원종(Won-Jong Chin),곽종원(Jong-Won Kwark),최은석(Eun-Suk Choi),강재윤(Jae-Yoon Kang),김성태(Sung-Tae Kim),윤혜진(Hye-Jin Yoon),김남식(Nam-Sik Kim) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.10
This paper aims for proposed the deflection limit on vibration serviceability of high-speed railway bridges considering passenger's comfort when a train passes a railway bridge. The vertical acceleration signals of passenger cars obtained from test were compared with them from the bridge-train transfer function by riding KTX. The deflections by KTX of seven high speed railway bridges were assumed as sine and haversine wave. The deflection limit on vibration serviceability of high-speed railway bridges considering passenger's comfort when a train passes a railway bridge duration can be expanded using bridge-train transfer function and bridge comfort limit considering serviceability due to bridge vibration. And it was compared to other allowable deflection limits of railway bridge design specifications.
FRP-콘크리트 합성 바닥판의 유지 · 보수에 관한 실험적 연구
진원종 ( Chin Won Jong ),김성태 ( Kim Sung Tae ),조정래 ( Cho Jeong Rae ),조근희 ( Cho Keun Hee ),김병석 ( Kim Byung Suk ) 한국구조물진단유지관리공학회 2004 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.8 No.2
Bridge deck is the element presenting the largest damage potentiality among the major structural members. In the previous study, a new-type of FRP-concrete composite bridge deck system is proposed. The proposed deck systems are fabricated by casting concrete above the FRP panel, which is used as formwork during the curing of concrete and works as a structural member combined with concrete during service life. In the previous study, behavior characteristics of the proposed deck system is experimentally studied, including two different types of sections. The deck systems were confirmed to have enough performance for bridge deck. In this study, maintenance and repair methods for the deck during the service life of bridge are investigated.