BRIDGE UPPER PART STRUCTURE EXTENDED STRUCTURE AND METHOD

摘要

PURPOSE: An expanding structure of the upper structure of a bridge and an expanding method thereof are provided to enable a user to expand the upper structure of a bridge for a bicycle road on a bridge. CONSTITUTION: An expanding structure of the upper structure of a bridge comprises a fixation bracket(300), an extension bracket(400), a longitudinal member(500) and a parapet post(600). The fixation bracket is fixed to a curbstone(200) using bolts(800) and screwnuts(810). The extension bracket is fixed to one side of the fixation bracket with the bolt and nut. The longitudinal member welds between the extensions brackets to a longitudinal direction of the bridge. The parapet post is fixed to the side of the extension bracket with the bolts and nuts.