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Computers and Concrete Volume 17, Number 1, January 2016 , pages 87-106 DOI: https://doi.org/10.12989/cac.2016.17.1.087 |
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Reliability-based modeling of punching shear capacity of FRP-reinforced two-way slabs |
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Ahmet Emin Kurtoğlu, Abdulkadir Çevik, Hasan M. Albegmprli,
Mehmet Eren Gülşan and Mahmut Bilgehan
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| Abstract | ||
| This paper deals with the reliability analysis of design formulations derived for predicting the punching shear capacity of FRP-reinforced two-way slabs. Firstly, a new design code formulation was derived by means of gene expression programming. This formulation differs from the existing ones as the slab length (L) was introduced in the equation. Next, the proposed formulation was tested for its generalization capability by a parametric study. Then, the stochastic analyses of derived and existing formulations were performed by Monte Carlo simulation. Finally, the reliability analyses of these equations were carried out based on the results of stochastic analysis and the ultimate state function of ASCE-7 and ACI-318 (2011). The results indicate that the prediction performance of new formulation is significantly higher as compared to available design equations and its reliability index is within acceptable limits. | ||
| Key Words | ||
| reliability; fiber reinforced polymer; RC slab; punching shear; structural safety; Monte Carlo simulation | ||
| Address | ||
| Ahmet Emin Kurtoğlu and Mahmut Bilgehan: Department of Civil Engineering, Zirve University, Kizilhisar Campus, 27260, Gaziantep, Turkey Abdulkadir Çevik: Department of Civil Engineering, University of Gaziantep, 27310, Gaziantep, Turkey Hasan M. Albegmprli: Technical College of Mosul, Foundation of Technical Education, Iraq | ||