STEEL-CONCRETE GIRDER AND CONSTRUCTION METHOD THEREOF
The present invention provides a steel composite girder having high structural safety while maximizing cross-sectional efficiency. According to the present invention, the steel composite girder comprises: a steel girder (100) having a closed cross section in a longitudinal direction; and a reinforci...
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Format: | Patent |
Sprache: | eng ; kor |
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Zusammenfassung: | The present invention provides a steel composite girder having high structural safety while maximizing cross-sectional efficiency. According to the present invention, the steel composite girder comprises: a steel girder (100) having a closed cross section in a longitudinal direction; and a reinforcing member (200) installed in an inner space (S) of the steel girder (100) in an erected structure. The reinforcing member (200) includes: an upper reinforcing part (210) coupled to an upper flange (110) of the steel girder (100); a lower reinforcing part (220) coupled to a lower flange (130) of the steel girder (100); and a truss reinforcing part (230) formed by coupling a plurality of pieces of shape steel (231) to the upper reinforcing part (210) and the lower reinforcing part (220) in the longitudinal direction in a zigzag structure. As in Figure 6, the present invention forms the truss reinforcing part (230) by coupling the shape steel (231) to the upper reinforcing part (210) and the lower reinforcing part (220) in a zigzag structure. A plurality of the reinforcing members (200) are separated from each other and installed in a lateral direction in the inner space of the steel girder (100) as in Figure 1.
본 발명에 따른 강합성 거더는 종방향을 기준으로 폐합단면을 갖는 강재거더(100); 강재거더(100)의 내측공간(S)에 기립구조로 설치되는 보강부재(200);를 포함하되, 보강부재(200)는 강재거더(100)의 상부플랜지(110)에 결합되는 상측보강부(210); 강재거더(100)의 하부플랜지(130)에 결합되는 하측보강부(220); 상측보강부(210)와 하측보강부(220)에 종방향을 따라 지그재그 구조로 형강(231)이 복수로 결합되어 형성된 트러스보강부(230);를 구비한 것이 특징이다. 도 6과 같이 본원발명은 상측보강부재(210)와 하측보강부(220)에 지그재그 구조로 형강(231)이 결합되어 트러스보강부(230)를 형성한다. 상기와 같은 보강부재(200)는 도 1과 같이 강재거더(100)의 내측 공간에 측방향을 따라 상호 간격을 두고 복수로 설치된다. |
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