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- W4313642889 abstract "Abstract Concrete is weak in tension, so steel fibres are added to the concrete members to increase shear capability. The shear capacity of steel fibre-reinforced concrete (SFRC) beams is crucial when building reinforced concrete structures. Creating a precise equation to determine the shear resistance of SFRC beams is challenging since many factors can influence the shear capacity of these beams. In addition, the precision available equations to predict the shear capacity are examined. The current research aims to examine the available equations and propose novel and more accurate model to predict the shear capacity of SFRC beams. An innovative evolutionary polynomial regression analysis (EPR- MOGA) is utilized to propose the new equation. The proposed equation offered improved prediction and increased accuracy compared to available equations, where it scored a lower mean absolute error ( $$mathrm{MAE}$$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML> <mml:mi>MAE</mml:mi> </mml:math> ) and root mean square error ( $$mathrm{RMSE}$$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML> <mml:mi>RMSE</mml:mi> </mml:math> ), a mean ( $$mu$$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML> <mml:mi>μ</mml:mi> </mml:math> ) close to the optimum value of 1.0 and a higher coefficient of determination ( $${R}^{2}$$ <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML> <mml:msup> <mml:mrow> <mml:mi>R</mml:mi> </mml:mrow> <mml:mn>2</mml:mn> </mml:msup> </mml:math> ) when a comparison with literature was conducted. Therefore, the new equation can be employed to assure more resilient and optimized design calculations due to their improved performance." @default.
- W4313642889 created "2023-01-07" @default.
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- W4313642889 date "2023-01-01" @default.
- W4313642889 modified "2023-10-16" @default.
- W4313642889 title "Multiscale soft computing-based model of shear strength of steel fibre-reinforced concrete beams" @default.
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- W4313642889 doi "https://doi.org/10.1007/s41062-022-01028-y" @default.
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