Composite girder for bridge construction
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United States of America Patent
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Oct 1, 2013
Grant Date -
May 2, 2013
app pub date -
Apr 1, 2011
filing date -
Jul 15, 2010
priority date (Note) -
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Abstract
The present invention pertains to a composite girder for bridge construction. More preferably, a girder is formed in a rectangular shape that is horizontally long and opened at the top portion thereof, wherein the girder is convexly curved in the center so as to be formed in the shape of an arch. The girder has a compression section, a web and a tension section, which are integrally composed together, and is filled with concrete inside the girder so as to increase the sectional strength of the girder. Simultaneously, a stopper is formed on the inside surface of the compression section to prevent the separation of the steel materials and the concrete.
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