Prefabricated, prestressed bridge module
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United States of America Patent
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Jan 19, 2021
Grant Date -
May 17, 2018
app pub date -
Nov 15, 2017
filing date -
Nov 16, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A method for making a prefabricated, prestressed module includes arranging one or more steel beams atop a supporting formwork element in a direction transverse to the supporting formwork element and arranging one or more precast deck elements across the one or more steel beams to create a substantially continuous surface. The one or more precast deck elements have pockets for receiving connectors that protrude from the one or more steel beams. The method also includes arranging the supporting formwork element to allow the one or more steel beams to bend into a cambered shape to impart compressive stresses to a bottom flange of the one or more steel beams and tension stresses to a top flange of the one or more steel beams and inserting grout into the pockets to hold the cambered shape and to bond the one or more precast deck elements to the connectors and the top flange.
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