Bridge Evaluation Yields Valuable Lessons


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Title: Bridge Evaluation Yields Valuable Lessons

Author(s): William L. Gamble

Publication: Concrete International

Volume: 6

Issue: 6

Appears on pages(s): 68-74

Keywords: elastic analysis; epoxy resins; failure; gir ders; highway bridges; reinforced concrete; repairs; rigid frames; shear strength; shear stress; shrinkage; structural analysis.

Date: 6/1/1984

Major shear cracking of both girders of a multispan reinforced concrete bridge occurred about 10 years after it was completed. Low-strength concrete was discovered in the failure region, but it also appears that axial tension was also a very important factor. The bridge was evaluated and repaired and is in service today without load restrictions.