Segmental bulb girder and construction method for long span bridge

摘要

The present invention relates to a segmental bulb tee girder and a construction method for long span bridges.;According to the present invention, the inclination of the haunting portion 3 'of the upper flange 3 is 1/5 (10 cm) in the long span bridge girder as shown in FIGS. 2 and 7 and the haunch portion of the lower flange 4 (4 ') The slope is 1 / 1.75 (20cm), and the girder is separated into the end segment (10) and the center segment (11) at the girder production site, and then the center and end segments are mounted at the bridge construction site and between the segments. There is epoxy bonding, and the angle is combined at the top, and the tension material is jacked after completely installing the upper part with one girder.