Patent ID: 8544129
Filing Date: 2013-10-01
Classification: E01D,E04C

Abstract:
1. A composite girder for bridge construction, the composite girder comprising: a compression section including a first unit of concrete, steel materials, a connecting portion, a cover plate and an open top portion, wherein the compression section is formed up to bottom surfaces of stoppers respectively formed on left and right inner surfaces of the compression section and is formed longitudinally in a horizontal direction, and wherein the first unit of compression section has a rectangular section; a steel web vertically formed beneath the compression section; and a steel tension section formed perpendicular to the steel web and including a changing section, wherein a width of the steel tension section is decreased and a thickness of the steel tension section is increased in a longitudinal direction, and a width of the changing section wherein the connecting portion of the compression section and the vertical steel web are upwardly convexly curved in the center thereof, and the steel web and the tension section are formed longitudinally in the horizontal direction, wherein the girder is mounted between a bridge abutment and a bridge pier, and at least one support including a second unit of concrete and being connected to the first unit of concrete is configured to reinforce shearing stress, wherein the second unit of concrete filled in the at least one support is consecutively connected with the first unit of concrete convexly formed in the center inside the compression section, and wherein the cover plate