Computers and Concrete

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Reliability-based modeling of punching shear capacity of FRP-reinforced two-way slabs

  • Kurtoglu, Ahmet Emin (Department of Civil Engineering, Zirve University) ;
  • Cevik, Abdulkadir (Department of Civil Engineering, University of Gaziantep) ;
  • Albegmprli, Hasan M. (Technical College of Mosul, Foundation of Technical Education) ;
  • Gulsan, Mehmet Eren (Department of Civil Engineering, University of Gaziantep) ;
  • Bilgehan, Mahmut (Department of Civil Engineering, Zirve University)
  • Received : 2015.05.05
  • Accepted : 2016.01.12
  • Published : 2016.01.25
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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.

Keywords

Acknowledgement

Supported by : Gaziantep University

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