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Computers and Concrete Volume 20, Number 1, July 2017 , pages 065-75 DOI: https://doi.org/10.12989/cac.2017.20.1.065 |
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Fiber reinforced concrete corbels: Modeling shear strength via symbolic regression |
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Ahmet E Kurtoglu, Mehmet E Gulsan, Hussein A Abdi, Mohammed A Kamil and Abdulkadir Cevik
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| Abstract | ||
| In this study, a novel application of symbolic regression (SR) is employed for the prediction of ultimate shear strength of steel fiber reinforced (SFRC) and glass fiber reinforced (GFRC) corbels without stirrups, for the first time in the literature. A database is created using the test results (42 tests) conducted by the authors of current paper as well as the previous studies available in the literature. A symbolic regression based empirical formulation is proposed using this database. The formulation is unique in a way that it has the capability to predict the shear strength of both SFRC and GFRC corbels. The performance of proposed model is tested against randomly selected testing set. Additionally, a parametric study with a wide range of variables is carried out to test the effect of each parameter on the shear strength. The results confirm the high prediction capacity of proposed model. | ||
| Key Words | ||
| symbolic regression; reinforced concrete corbel; fiber reinforced concrete; shear strength; glass fiber; steel fiber | ||
| Address | ||
| Ahmet E Kurtoglu: Department of Civil Engineering, Istanbul Gedik University, 34876, Kartal, Istanbul, Turkey Mehmet E Gulsan, Hussein A Abdi, Mohammed A Kamil and Abdulkadir Cevik: Department of Civil Engineering, University of Gaziantep, 27310, Gaziantep, Turkey | ||