Method for composite girder and bridge construction method composite girder

The present invention completes the plant or produced by the precast screen the center segment Composite girder such that compression prestress is introduced to the pretensioning method in Chapter field production, and in cast-in-place method in the field Composite girder ultimate compressive prestress is post-tensioned manner even as produced by the segment to be introduced by the invention relates to a bridge construction method using the efficient and economical production method capable composite girder manufactured by the cross-sectional design and steel composite girder. Composite girder, segment, tendons