Porto Prize: Strengthening the Luiz I Bridge

The historic Luiz I Bridge was built between 1881 and 1886 to replace a small suspension bridge over the River Douro in the center of the northern Portuguese city of Porto. The massive arch bridge, which is located right in the middle of the Unesco World Heritage site, is currently being strengthened and refurbished to enable it to play an important role in the city's light rail system. An initial feasibility study, followed by a more detailed study on converting the bridge for light rail use, found that an integral substitution of all the metalwork composing the orthotropic plate of the upper deck would be necessary to enable the light rail system operation to take place. The conclusion was based on the structure's great age. The article reviews some of the challenges posed by this refurbishment and strengthening project.


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  • Accession Number: 01002624
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Jul 26 2005 10:25AM