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article · 2006

Diagnosis and Retrofit of Floorbeam to Truss Connections in the Double Deck Girard Point Bridge

F M Russo, Jason B. Beecher, John W Lang

Cited by 1Abstract and details only

Abstract

The Girard Point Bridge is a double deck truss bridge carrying I-95 in the City of Philadelphia, PA. The three main spans are a cantilever-suspended truss with plate girder floorbeams used predominantly in the main span supporting both decks. Cracking of the floorbeam to truss connections was observed to progress and become more numerous in numbers over several inspection cycles in the past decade. Field measurements of displacements and strains were correlated to global and local finite element models and determined that relative displacement of the floorbeam and truss were the driving force for crack growth. Use of a softening approach was implemented at the floorbeam to truss chord connection to provide additional flexibility. Trial connections were constructed and monitored and the final design was slightly modified based on the experimental results. The resultant softened connection dramatically reduced the measured stress ranges.

Cite this paper

APA 7

Russo, F. M., Beecher, J. B., & Lang, J. W. (2006). Diagnosis and Retrofit of Floorbeam to Truss Connections in the Double Deck Girard Point Bridge.

MLA 9

Russo, F M, et al. “Diagnosis and Retrofit of Floorbeam to Truss Connections in the Double Deck Girard Point Bridge.” 2006.

Chicago

Russo, F M, Jason B. Beecher, and John W Lang. 2006. “Diagnosis and Retrofit of Floorbeam to Truss Connections in the Double Deck Girard Point Bridge.”

Harvard

Russo, F.M., Beecher, J.B. and Lang, J.W. (2006) ‘Diagnosis and Retrofit of Floorbeam to Truss Connections in the Double Deck Girard Point Bridge’.

BibTeX
@article{russo2006diagnosis,
  title = {{Diagnosis and Retrofit of Floorbeam to Truss Connections in the Double Deck Girard Point Bridge}},
  author = {Russo, F M and Beecher, Jason B. and Lang, John W},
  year = {2006}
}

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