Table 2 Verification of various ratios with span-depth ratio for different skew angles
From: Parametric study on prestressed skewed box-girder bridge
Forces | Girder | Span-depth ratio | Skew angle (degree) | For dead load | For live load | For prestress load | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Using proposed equation | Using FEM | % variation | Using proposed equation | Using FEM | % variation | Using proposed equation | Using FEM | % variation | ||||
BM (kNm) | Outer | 16 | 30 | 11,914 | 11,828 | -0.721 | 3788 | 3790 | 0.042 | -6948 | -7186 | 3.304 |
Inner | 12 | 40 | 16,652 | 16,574 | -0.471 | 5136 | 5130 | -0.100 | -18,132 | -17,957 | -0.976 | |
SF (kN) | Outer | 14 | 10 | -2171 | -2138 | -1.541 | -546 | -543 | -0.605 | 1462 | 1474 | 0.832 |
Inner | 18 | 20 | 2298 | 2309 | 0.493 | 831 | 826 | -0.633 | -1281 | -1282 | 0.058 | |
TM (kNm) | Outer | 10 | 60 | -2810 | -2810 | 0 | -860 | -855 | -0.503 | 4149 | 4153 | 0.117 |
Inner | 14 | 60 | -2725 | -2719 | -0.240 | -1013 | -1013 | 0 | 2489 | 2483 | -0.263 | |
VD (mm) | Outer | 10 | 40 | -8.12 | -7.68 | -5.82 | -1.66 | -1.66 | 0 | 10.396 | 10.512 | 1.101 |
Inner | 12 | 30 | -11.22 | -11.29 | 0.623 | -3.34 | -3.43 | 2.799 | 11.058 | 11.219 | 1.434 | |