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Computers and Concrete Volume 28, Number 5, November 2021 , pages 507-519 DOI: https://doi.org/10.12989/cac.2021.28.5.507 |
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Crack pattern and failure mode prediction of SFRC corbels: Experimental and numerical study |
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Mehmet Eren Gulsan, Abdulkadir Cevik and Sarwar Hasan Mohmmad
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| Abstract | ||
| In this study, a new procedure was proposed in order to predict the crack pattern and failure mode of steel fiber reinforced concrete (SFRC) corbels. Moreover, an experimental study was carried out in order to investigate the effect of several parameters, such as compressive strength, tensile strength, steel fiber ratio, shear span on the mechanical behavior of SFRC corbels in detail. Totally, 24 RC and SFRC corbels were prepared for the experimental study. Experimental results indicate that each investigated parameter has noticeable effect on the load capacity and failure mode of SFRC corbels. Moreover, finite element (FE) model of the tested corbels were prepared and efficiency of FE model was investigated for further studies. Comparison of FE and experimental results show that there is an acceptable fit between them regarding load capacity and crack patterns. Thereafter, parametric study was carried out via FE analyses in order to obtain a methodology for crack pattern and failure mode prediction of SFRC corbels. As a result of parametric studies, a new procedure was proposed as flowcharts in order to predict the failure mode of SFRC corbels for normal and high strength concrete class separately. | ||
| Key Words | ||
| corbels; crack pattern; failure mode; FE modeling; steel fiber reinforced concrete | ||
| Address | ||
| Mehmet Eren Gulsan: Department of Civil Engineering, Gaziantep University, University Avenue, 27310, Gaziantep, Turkey Abdulkadir Cevik: Department of Civil Engineering, Gaziantep University, University Avenue, 27310, Gaziantep, Turkey Sarwar Hasan Mohmmad: Department of Civil Engineering, Gaziantep University, University Avenue, 27310, Gaziantep, Turkey; Department of Civil Engineering, Sulaimani Polytechnic University, Sulaimani, Iraq | ||