Fatigue Assessment of Bridge Members Based on In-Service Stresses. Interim Report No. 1. Field Tests, Analyses, and Laboratory Tests: Fid-Bau Portal

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Fatigue Assessment of Bridge Members Based on In-Service Stresses. Interim Report No. 1. Field Tests, Analyses, and Laboratory Tests

F. J. Zwerneman / P. G. Poynter / M. D. Abbas / A. Rauf / J. Yang

Construction problems involving poor welding quality occurred during widening of the U.S. 69 bridge over the South Canadian River. As a result of these problems, concerns developed regarding the remaining fatigue life of the bridge. A research project was initiated to address these concerns. The first portion of the project included a visual inspection of the bridge welds followed by installation of equipment for recording strains under both known loads and normal traffic. These measured strains were used to calibrate an analytical model prepared as a second part of the project. The analytical model was then used to determine the critical location for fatigue. A third part of the project involved conducting laboratory fatigue tests on beam specimens with a welded detail similar to the detail of concern on the bridge.

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Fatigue Assessment of Bridge Members Based on In-Service Stresses. Interim Report No. 1. Field Tests, Analyses, and Laboratory Tests

F. J. Zwerneman / P. G. Poynter / M. D. Abbas / A. Rauf / J. Yang

Construction problems involving poor welding quality occurred during widening of the U.S. 69 bridge over the South Canadian River. As a result of these problems, concerns developed regarding the remaining fatigue life of the bridge. A research project was initiated to address these concerns. The first portion of the project included a visual inspection of the bridge welds followed by installation of equipment for recording strains under both known loads and normal traffic. These measured strains were used to calibrate an analytical model prepared as a second part of the project. The analytical model was then used to determine the critical location for fatigue. A third part of the project involved conducting laboratory fatigue tests on beam specimens with a welded detail similar to the detail of concern on the bridge.

Fatigue Assessment of Bridge Members Based on In-Service Stresses. Interim Report No. 1. Field Tests, Analyses, and Laboratory Tests

F. J. Zwerneman / P. G. Poynter / M. D. Abbas / A. Rauf / J. Yang

Construction problems involving poor welding quality occurred during widening of the U.S. 69 bridge over the South Canadian River. As a result of these problems, concerns developed regarding the remaining fatigue life of the bridge. A research project was initiated to address these concerns. The first portion of the project included a visual inspection of the bridge welds followed by installation of equipment for recording strains under both known loads and normal traffic. These measured strains were used to calibrate an analytical model prepared as a second part of the project. The analytical model was then used to determine the critical location for fatigue. A third part of the project involved conducting laboratory fatigue tests on beam specimens with a welded detail similar to the detail of concern on the bridge.

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Title:

Fatigue Assessment of Bridge Members Based on In-Service Stresses. Interim Report No. 1. Field Tests, Analyses, and Laboratory Tests

Contributors:

F. J. Zwerneman (author) / P. G. Poynter (author) / M. D. Abbas (author) / A. Rauf (author) / J. Yang (author)

Publication date:

1996

Size:

153 pages

Type of media:

Report

Type of material:

No indication

Language:

English

Keywords:

Highway Engineering , Bridges(Structures) , Fatigue tests , Welded joints , Inspection , Fatigue life , Beams(Supports) , Highway bridges , Weld defects , Oklahoma , Eufala(Oklahoma)

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