Issue 59
N. Kouider et alii, Frattura ed Integrità Strutturale, 59 (2022) 153-171; DOI: 10.3221/IGF-ESIS.59.12
Figure 18: Failure mode (Mises stress state) of beam with corrugated web: beam with triangular web.
Normal web
Trapezoidal web
Triangular web
10 11
0 1 2 3 4 5 6 7 8 9
Load (kN)
0 100 200 300 400 500 600 700 800 900 1000 1100 1200
Vertical deflection Uy ( mm)
Figure 19: Comparative state (load-deflection Uy) of the studied beams.
Vertical deflection y U (mm)
Stress
Horizontal deflection x U (mm)
Moment analytical M (kN.m)
Element
Failure mode
yy . (MPa) 207.85 175.43 266.57
Local and lateral torsional buckling
Beam with normal web
3.81
105.54
49.28
Beam with Trapezoidal web Beam with Triangular web
3.02 5.00
86.78 67.67
39.69 64.23
Local buckling
Lateral torsional buckling
Table 3: Numerical results for flexural capacity.
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