Research Article

Predicting Shear Capacity of FRP-Reinforced Concrete Beams without Stirrups by Artificial Neural Networks, Gene Expression Programming, and Regression Analysis

Table 4

Statistical parameters of (Vexp/Vpred) for the proposed models and different design equations.

Design equationsMean (Vexp/Vpred)SDCOV%MinimumMaximumRangeRMSEMAER2

[12]1.8130.41623.061.133.742.6131.524.20.575
[13]1.3020.28221.630.462.512.0522.014.90.792
[18]1.0910.22720.850.471.851.3722.511.70.783
[16]1.1930.38632.490.442.482.0326.3317.580.703
[17]0.9480.26527.990.391.741.3422.5714.030.782
[14]1.0720.24723.10.541.921.3814.709.800.908
[15]1.3930.25418.350.702.481.7824.5616.610.742
[4]1.1130.21919.670.551.921.3621.312.10.805
[19]1.3050.23518.010.842.141.2923.118.40.772
[7]1.0250.20520.030.541.911.3619.611.00.835
[1]1.1480.22719.810.591.721.1317.710.90.865
[20]0.9650.17418.060.631.681.0516.410.20.885
[10]1.0150.22922.510.531.961.4315.19.60.905
[21]1.0960.28325.870.562.121.5619.1511.800.843
NLR1.0030.17417.320.621.610.9910.77.30.950
GEP1.0070.16216.080.661.550.888.25.90.9709
ANNs0.9980.11311.310.711.440.725.33.90.9877