prefabricated deck plate

The present invention relates to a prefabricated deck plate, and more specifically, to a prefabricated deck plate, which has a simple structure, is easy to manufacture, and has excellent rigidity. The prefabricated deck plate of the present invention comprises: a lower plate with lower fixing holes formed therein; side walls formed at a constant height on left and right sides of the lower plate, and having a plurality of coupling protrusions formed on an upper end portion at regular intervals; an upper plate which is spaced apart from the lower plate upwards and coupled to the upper end portion of the side wall, wherein insertion holes into which the coupling protrusions are inserted are formed adjacent to left and right edges, and upper fixing holes are formed at positions corresponding to the lower fixing holes; and a plurality of first reinforcing plates which are installed side by side between the lower plate and the upper plate, wherein lower insertion protrusions to be inserted into the lower fixing holes are formed in a lower portion, and upper insertion protrusions to be inserted into the upper fixing holes are formed in an upper portion. 본 발명은 조립식 복공판에 관한 것으로서, 더욱 상세하게는 구조가 간단하면서도 제작이 간편하고 강성이 우수한 조립식 복공판에 관한 것이다. 본 발명의 조립식 복공판은 하부고정홀들이 형성된 하판과, 하판의 좌우 양측에 일정한 높이로 형성되며 상단부에 일정 간격으로 다수의 결합돌기가 형성된 측벽과, 하판과 상방으로 이격되어 측벽의 상단부에 결합되며 결합돌기가 삽입되는 삽입홀들이 좌우 가장자리와 인접하여 형성되고 하부고정홀들과 대응되는 위치에 상부고정홀들이 형성된 상판과, 하판과 상판 사이에 다수가 나란하게 설치되며 하부고정홀들에 삽입되는 하부삽입돌기가 하부에 형성되고 상부고정홀들에 삽입되는 상부삽입돌기가 상부에 형성된 제 1보강판들을 구비한다.