Research Article
Analysis of Pure Bending Vertical Deflection of Improved Composite Box Girders with Corrugated Steel Webs
Table 2
Midspan deflections of the single box and single cell simply supported composite box girders with CSWSB (unit: mm).
| Working condition | Load amplitude | Measured value | Theoretical values calculated in this work | Finite element value | Theoretical deflection of primary beam | Shear lag-induced deflection | Shear deformation-induced deflection | Total deflection |
| Concentrated load | 17.6 kN | 1.705 | 1.803 | 0.004 | 0.117 | 1.924 | 1.743 | 35.2 kN | 3.325 | 3.606 | 0.008 | 0.234 | 3.848 | 3.485 | 63.2 kN | 6.140 | 6.475 | 0.014 | 0.420 | 6.909 | 6.258 | 71.2 kN | 7.405 | 7.294 | 0.016 | 0.474 | 7.784 | 7.498 | Uniform load | 2.250 kN/m | 1.330 | 1.152 | 0.002 | 0.061 | 1.215 | 1.342 | 3.938 kN/m | 2.225 | 2.017 | 0.004 | 0.105 | 2.126 | 2.349 | 5.625 kN/m | 3.185 | 2.882 | 0.005 | 0.151 | 3.036 | 3.356 | 7.500 kN/m | 4.335 | 3.842 | 0.007 | 0.199 | 4.048 | 4.474 |
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