Longwangmiao Bridge of Chengnan Expressway Expansion Project Successfully Completes First Span Girder Erection
On May 13, the first span of 40-meter prestressed concrete simply supported T-girders of the Longwangmiao Bridge in the Chengnan Project was successfully erected, laying a solid foundation for the completion of the separated newly built section and the successful achievement of subsequent milestone tasks. This bridge, a newly built structure spanning Huailuo Road, has a superstructure consisting of 5×40-meter prestressed concrete simply supported T-girders, with a total length of 209 meters and a width of 20.35 meters. The substructure adopts column piers, ribbed abutments, and column abutments, with bored pile foundations. The reconstruction and expansion scheme at the bridge site involves a separated newly built downbound carriageway on the left side, while the existing old bridge, after reconstruction of its median strip, will serve as a single-carriageway bridge for the right line. The median strip reconstruction scheme is that the superstructure
2024-05-20