Table 6 Force estimation results of hinged-hinged cables
From: Cable force estimation of cables with small sag considering inclination angle effect
Cable | Angle (°) | FF (HZ) | RC F (MN) | Proposed Method | Beam Theory | ||
|---|---|---|---|---|---|---|---|
EF (MN) | RE (%) | EF (MN) | RE (%) | ||||
Cable I | 0 | 0.440 | 2.9036 | 2.9665 | 2.16 | 3.0975 | 6.68 |
30 | 0.436 | 2.9360 | 1.12 | 3.0415 | 4.75 | ||
60 | 0.429 | 2.9062 | 0.09 | 2.9446 | 1.41 | ||
90 | 0.426 | 2.9132 | 0.33 | 2.9035 | −0.002 | ||
Cable II | 0 | 1.352 | 26.1325 | 26.0671 | −0.25 | 29.1454 | 11.53 |
30 | 1.335 | 26.0232 | −0.42 | 28.4145 | 8.73 | ||
60 | 1.299 | 26.0573 | −0.29 | 26.8973 | 2.93 | ||
90 | 1.280 | 26.2042 | 0.27 | 26.1133 | −0.07 | ||
Cable III | 0 | 2.684 | 90.0000 | 98.3759 | 9.31 | 107.4428 | 19.38 |
30 | 2.632 | 95.9780 | 6.64 | 103.0199 | 14.47 | ||
60 | 2.527 | 91.9424 | 2.16 | 94.3527 | 4.84 | ||
90 | 2.473 | 89.9829 | −0.02 | 90.0327 | 0.04 | ||