Shear Strength of Internal Reinforced Concrete Beam-Column Joints: Intelligent Modeling Approach and Sensitivity Analysis

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Model</td><td class="align_center"><i>R</i><sup>2</sup></td><td class="align_center">RMSE (MPa)</td><td class="align_center">MAE (MPa)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">MCFT</td><td class="align_center">0.765</td><td class="align_center">1.355</td><td class="align_center">1.066</td></tr><tr><td class="align_left">GBRT</td><td class="align_center">0.960</td><td class="align_center">0.562</td><td class="align_center">0.380</td></tr><tr><td class="align_left">(GBRT-MCFT)/MCFT (%)</td><td class="align_center">25.4</td><td class="align_center">−58.5</td><td class="align_center">−64.3</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Comparisons of predictive performance between GBRT and MCFT models.</div>

Advances in Civil Engineering

tab6

Table 6

Table 6: Shear Strength of Internal Reinforced Concrete Beam-Column Joints: Intelligent Modeling Approach and Sensitivity Analysis 