Research Article
Dec 1975
Fracture Sensitivity of Dynamically Loaded Girders
Authors: Donald S. Mansell, M.ASCE, and Peter DobosAuthor Affiliations
Publication: Journal of the Structural Division
Volume 101, Issue 12
Abstract
The effect of dynamic traffic loads on the brittleness of steel highway bridge girders is found to be considerable if fracture initiation is taken as the criterion of brittleness. The effect on propagation of these fractures is less dramatic. A universal beam section was used for the experiment. It was found that a strain rate increase from 30 × 10−6s−1 to 30 × 10−3s−1 caused a shift of25°C (45°F) in the highest temperature for fracture initiation, while the highest temperature for complete fracture at certain strain levels was shifted by only 10°C (18°F).
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Published In
Journal of the Structural Division
Volume 101 • Issue 12 • December 1975
Pages: 2523 - 2535
Copyright
© 1975 American Society of Civil Engineers.
History
Published in print: Dec 1975
Published online: Feb 1, 2021
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Authors
Affiliations
Donald S. Mansell, M.ASCE
Prof. and Head, Civ. Engrg. Dept., Papua New Guinea Univ. of Tech., Lae, Papua, New Guinea
Peter Dobos
Engr., Lewis Construction Co., Victoria, Australia
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.