Figure 1.
Geometry of the Kedzierzyn-Kozle Bridge (Poland)
Figure 2.
Scheme of the Støvset Bridge incl. the development of deflections during the service time [2]
Table 1.
Geometrical characteristic of bridges over the Odra River
| Location of the bridge | Geometrical parameters of bridges [m] | ||||
|---|---|---|---|---|---|
| L | h | H | R | Span spread | |
| Opole | 100 | 2.35 | 5.80 | 10000 | 45+55+100+55+45+45+40 |
| Kędzierzyn-Koźle | 140 | 3.00 | 6.20 | 10000 | 52.5+75+140+75+52.5 |
Figure 3.
Grade line of bridge a) Opole Bridge after 15 years of service time b) Kedzierzyn- Kozle Bridge 3 years after connection of cantilevers
Figure 4.
Change of deflection of cantilever spans vs. time
Figure 5.
Change of deflection coefficient for the analysed bridges
Table 2.
Parameters of bridges spans
| Location of the bridge | Parameters | Coefficents [‰] | ||||
|---|---|---|---|---|---|---|
| Groups | nr | L [m] | a | b | ω10 | ω100 |
| 1 | 31 | 102 | 0.061 | 0.4596 | 0.0105 | 0.2359 |
| 2 | 35 | 130 | 0.194 | 0.4612 | 0.3343 | 0.7467 |
| 3 | 8 | 112 | 0.724 | 0.2545 | 0.9116 | 2.3592 |
| 4 | 25 | 131 | 1.200 | 0.1092 | 0.8880 | 2.9813 |
| 5 | 3 | 142 | 1.111 | 0.7045 | 2.3165 | 4.7429 |
| 6 | 22 | 101,5 | 1.190 | 0.4750 | 2.099 | 4.6579 |
| 7 | 32 | 125 | 0.475 | 0.6500 | 0.9571 | 1.9901 |
| 8 | 39 | 95 | 1.620 | 0.5952 | 3.1412 | 6.6468 |
| 9 | 37 | 84,5 | 0.700 | 0.5130 | 1.2711 | 2.7739 |
| 10 | 21 | 104 | 0.271 | 0.4246 | 0.4492 | 1.0222 |
Figure 6.
Change of deflection coefficient during the service time (formula (3))
Table 3.
Span parameters of Zvikov-Otava Bridge
| Number of span | Parameters | |
|---|---|---|
| a | b | |
| B7 | 0.547 | 0.2819 |
| B8 | 0.629 | 0.1819 |
| B9 | 0.498 | 0.4205 |
| B10 | 0.552 | 0.4200 |
| B7-B10 | 0.554 | 0.3086 |
Figure 7.
Analysis of approximate deflection formula for Zvikov-Otava Bridge