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Table 9 Knee joint experimental and numerical comparison in closing and opening actions

From: Enhancing the Performance of Knee Beam–Column Joint Using Hybrid Fibers Reinforced Concrete

Specimen Verification Peak load (kN) Percentage difference (%) Peak load displacement (mm) Percentage difference (%) Maximum displacement (mm) Percentage difference (%)
Closing action (+)
 FFC Experimental 128.56 12.18 59.45 8.98 80.03 0.30
Numerical 145.24 65.04 80.27
 F6U3 Experimental 146.86 31.31 69.62 0.47 99.50 0.30
Numerical 107.10 69.95 99.80
 F6S3 Experimental 120.03 30.05 79.96 6.03 99.85 0.03
Numerical 88.67 84.93 99.82
 F6E3 Experimental 123.60 29.10 84.28 0.78 99.64 0.12
Numerical 92.20 84.94 99.76
 F6N3 Experimental 147.47 26.82 104.56 0.99 104.75 0.14
Numerical 112.60 103.53 104.60
Opening action (−)
 FFC Experimental 69.07 2.15 79.19 15.16 79.99 4.54
Numerical 70.57 68.03 76.44
 F6U3 Experimental 78.50 28.28 79.21 1.74 99.83 1.21
Numerical 59.05 77.84 98.63
 F6S3 Experimental 71.39 29.46 84.29 0.79 99.85 0.33
Numerical 53.06 84.96 99.52
 F6E3 Experimental 89.42 20.50 79.23 0.46 99.81 0.31
Numerical 68.92 78.87 99.50
 F6N3 Experimental 75.54 25.98 94.42 0.79 104.74 0.01
Numerical 58.17 93.68 104.73