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Published in:
2021 | OriginalPaper | Chapter
Investigating the Influence of Pre-existing Crack on the Failure of High Carbon Steel Girders
Authors : The Truyen Tran, Sy Quan Tu, Duc Hieu Nguyen, Tung Thanh Bui, Ngoc Hoa Tran
Published in: Structural Health Monitoring and Engineering Structures
Publisher: Springer Singapore
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Abstract
One of the potential risks of damage to steel members in real structures is the existence of available micro-cracks in steel material which is unavoidable in the process of production, assembly as well as operation. These cracks could appear as a result of the effect of the welding process or available defect in steel material, corrosion, or fatigue failure of steel members. The investigation appraises the effect of pre-existing cracks in steel material on the behavior of steel beams under the four-point bending experiment. The steel beam samples were made of high carbon steel. Pre-existing cracks were created on the flanges in certain positions which were corresponding to designed steel beam samples to investigate the effect of pre-existing cracks on the behavior of steel beam. The calculation was implemented at the same time with experiments to verify the experimental results.