Construction method for prestressed concrete girder bridges

Bridges – Girder

Reexamination Certificate

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C014S077100

Reexamination Certificate

active

07373683

ABSTRACT:
A construction method for simple bridges or continuous bridges using prestressed concrete girder (PSC girder) and precast slabs (PSC slabs) where prestress is applied to the lower portion of the center of the girder. bridges of low clearance and long span are constructed by preventing a loss of prestress due to load of the slabs and relieving excessive compression force generated on the upper edge portion of the center of the girder during the construction of the bridge.

REFERENCES:
patent: 5479748 (1996-01-01), Siller
patent: 5655243 (1997-08-01), Kim
patent: 5867855 (1999-02-01), Kim
patent: 6751821 (2004-06-01), Han
patent: 2006/0137115 (2006-06-01), Park
patent: 2 616 166 (1988-12-01), None
patent: 2000-204771 (1999-01-01), None
patent: 10-0349864 (2002-08-01), None

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