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PS 강봉으로 이체화된 강합성 라멘교의 개발을 위한 실험연구
안영수 ( Young Soo Ahn ),정지승 ( Jaee Seung Chung ) 한국안전학회(구 한국산업안전학회) 2012 한국안전학회지 Vol.27 No.4
In recent years, various research and developments to introduce composite bridges of new concept have been performed. The types of integral bridge and portal rigid frame bridge are having advantages in bridge maintenance and structural efficiency by eliminating expansion joints and bridge supports. However, the detail of typical girder-abutment connection has problems such as complexity of construction and increase of the construction cost. A new type of bridge, called prestress integral composite girder (PIC girder) bridge, is proposed in this study, which decreases the cost of construction and improves the efficiency of construction by simplifying the detail of construction for girder-abutment connection. PIC girder bridge has the connection detail in which the steel girder and the abutment are integrated by using the PS bar installed in the connection, In this study, finite element analysis and mock-up load test are conducted to evaluate the propriety of design, the effective of fabrication and structural safety for PIC girder bridge, The adequacy of the PIC giredr bridge is verified by the results of static/dynamic load test and finite element analyses.
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