Experimental Investigation of Corroded Stud Shear Connectors Subjected to Fatigue Loading

AbstractAn experimental investigation on corroded composite push-out specimens was performed to investigate the behavior of stud shear connectors subjected to fatigue loading. A total of 14 standard push-out specimens were tested under static and fatigue loading. A static push-out test was performed...

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Bibliographic Details
Published in:Journal of materials in civil engineering 2017-01, Vol.29 (1)
Main Authors: Wang, Wei-lun, Chen, Ju, Jin, Wei-liang
Format: Article
Language:English
Subjects:
Connectors
Corrosion
Corrosion fatigue
Design analysis
Fatigue (materials)
Fatigue life
Shear
Technical Papers
Ultimate tensile strength
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Summary:AbstractAn experimental investigation on corroded composite push-out specimens was performed to investigate the behavior of stud shear connectors subjected to fatigue loading. A total of 14 standard push-out specimens were tested under static and fatigue loading. A static push-out test was performed to obtain the ultimate strengths for reference. The expected corrosion rate of test specimens ranged from 0 to 50%. The main purpose of these tests was to determine the fatigue life and the reduction effect of the fatigue life caused by the corrosion. The effect of corrosion on the fatigue crack, load-slip curves, and failure modes were also studied. The test results were also compared with current Eurocode design predictions, which are only for a specimen without corrosion. The suitability of the Eurocode design equation for fatigue life of corroded composite push-out specimens was evaluated.
ISSN:0899-1561
1943-5533
DOI:10.1061/(ASCE)MT.1943-5533.0001688