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Research Article

Fatigue life prediction of steel bridge connections using fracture mechanics models

Warda Abdulla, Craig Menzemer

Department of Civil Engineering, The University of Akron, U.S.A.

Keywords

Abstract


AFGROW models; 

Crack growth rate; 

Fatigue life prediction; 

Riveted connections; 

Stress intensity factor; 

Striation spacing 

Riveted connections used in steel bridges may be subjected to localized fatigue cracking. Experimental data were obtained from coupon fatigue tests for the investigation of the role of the riveting process on fatigue resistance. Fracture mechanics models of both open-hole and riveted A36 steel coupon specimens were used to predict the fatigue life. Stress versus the number of cycles to failure curves (S-N curves) were established based on empirical results and combined with Air Force Grow software (AFGROW) fatigue life estimates and compared. Fatigue crack growth test data was developed and compared with the material library in AFGROW. Fracture surfaces of the specimens were examined and striation spacing measured using Scanning Electron Microscope (SEM) images. Subsequently, stress intensity factors and local crack growth rates were estimated. Estimates of the local crack growth rates and the estimated stress intensity ranges were compared with data obtained from fatigue crack growth test results. Test results demonstrated that fatigue life was improved with the riveting process. In addition, accurate fatigue life predictions required consideration of the compressive residual stresses due to riveting.

© 2021 MIM Research Group. All rights reserved.

LATEST News


29/12/2021 Best Paper Award: According to the Advisory Board decision, the paper authored by Sahar Ismail, Wassim Raphael, Emmanuel Durand entitled as “Case study of the Beirut port explosion using 3D laser scan and nonlinear finite element model” is awarded the 2021 Best Paper Award of Research on Engineering Structures and Materials (RESM). We congratulate the authors and wish them a continued success.  



29/12/2021 Most Cited Paper Award: According to the Editorial Board evaluation, the paper authored by Sinan Kutluay, Orhan Baytar, Ömer Şahin entitled as “Adsorption kinetics, equilibrium and thermodynamics
of gas-phase toluene onto char produced from almond shells" is awarded the 2021 Most Cited Paper Award of Research on Engineering Structures and Materials (RESM). We congratulate the authors and wish them a continued success.
  


10/11/2021 Collaboration for IMSTEC2021: Editorial Board of our journal and Organizing Committee of the 6th International Conference on Material Science and Technology (IMSTEC2021) have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events


15/03/2021 Collaboration for ICWET'21: Editorial Board of our journal and Organizing Committee of the6th International Conference on Welding Technologies and Exibition (ICWET’21) have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.


11/02/2021 Collaboration for ULIBTK 2021: Editorial Board of our journal and Organizing Committee of the 23. Congress on Thermal Science and Technology (ULIBTK 2021) have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.



(More details of the news may be given in the News section)


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LATEST AWARDS


2021 Best Paper Award:

The paper authored by Sahar Ismail, Wassim Raphael, Emmanuel Durand entitled as “Case study of the Beirut port explosion using 3D laser scan and nonlinear finite element model” is awarded the 



2021 Most Cited Paper Award:

The paper authored by Sinan Kutluay, Orhan Baytar, Ömer Şahin entitled as “Adsorption kinetics, equilibrium and thermodynamics of gas-phase toluene onto char produced from almond shells" is awarded the


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Last Update:

20.01.2022

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