Fabricated beam with steel plates and angles and composite beam using the same

摘要

The present invention relates to a steel plate assembly beam for constituting a steel concrete composite beam composed of a permanent formwork on a cross-section outer shell and filled with concrete in a cross-section, and more particularly to a steel plate assembly beam having a steel plate and an angle Assembled steel plate assembly beam and a steel concrete composite beam using the same. A double angle thin plate assembly according to a preferred embodiment of the present invention includes a bottom plate having a predetermined thickness and a pair of side plates each of which is formed of a thin plate having a thickness thinner than that of the bottom plate and vertically coupled to both ends of the top plate, And the inner surface of the vertical portion of the a-shaped steel is joined to the outer surface of the upper end of the pair of side plates so that the horizontal portion of the a-shaped steel is directed to the inside of the end surface, and a pair of angle members And a side plate connecting member for connecting the pair of side plates at regular intervals along the lengthwise direction of the pair of side plates.