Construction method for rahmen bridge using transverse prestressed girder

摘要

The present invention relates to a construction method for a rigid-frame bridge using a transversally prestressed girder to easily and economically construct a bridge having an upper structure of an excellent transversal performance. The construction method for a rigid-frame bridge includes; a step of constructing a girder to be applied with transversally symmetric prestress (a); a step of simply placing the girder on the upper side of abutments for allowing the prestress to be applied to generate an upside camber in the transverse direction from the center of the lengthwise direction of the girder (b); and a step of rigid-connecting the girder on the abutments while constructing the upper plate on the upper side of the girder (c).