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- W2019918818 abstract "기존 임시교량은 대부분 거더의 횡-비틀림좌굴을 방지하고 시공의 효율성을 확보하기 위해 가로보를 설치하고 있다. 이 가로보는 볼트로 연결되며, 중력방향 하중에 대한 저항성능이 매우 작은 것으로 평가되고 있다. 그러나 최근 일체화된 가로보를 사용함으로써 가로보를 하중저항요소로 이용한 임시교량이 최근 개발된 바 있다. 이 연구는 새롭게 개발된 임시교량에 대한 구조적 거동 및 하중전달능력을 실험 및 구조해석 등을 통해 조사, 분석하였다. 일체로 연속된 가로보를 이용한 임시교량은 가로보의 휨강성을 통해 하중을 인접거더로 분산하여 거더에 발생하는 최대휨응력을 감소시키고, 거더의 휨강성을 증대시키는 것으로 확인되어 장경간 임시교량에서도 유리할 것으로 판단된다. Cross-beam in the existing temporary bridge system is usually installed to prevent the lateral-torsional buckling of girders and to promote the construction efficiency. However, most of this cross-beams are connected to the girder web by bolts, and therefore, gravitational load resisting capacity of the cross-beams are negligibly small. In recent years, new temporary bridge system, in which the cross-beams and girders are connected to resist the external loads as a unit, was developed. In this paper, we present the experimental and analytical study results pertaining to the structural behavior and load carrying capacity of new temporary bridge system. From the results of study, it was found that the continuous cross-beam increased the flexural rigidity and reduced the maximum flexural stress in the girder. In addition, it was also found that the new temporary bridge system developed is more appropriate for the application in the long-span temporary bridge." @default.
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- W2019918818 date "2012-10-27" @default.
- W2019918818 modified "2023-09-24" @default.
- W2019918818 title "The Characteristics of Structural Behavior of Temporary Bridge Using Continuous Cross Beam" @default.
- W2019918818 doi "https://doi.org/10.7781/kjoss.2012.24.5.559" @default.
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