Figure 1.
View of the Rędziński Bridge [www.golowersilesia.pl]
Figure 2.
General view of the Rędziński Bridge
Figure 3.
View of the Rędziński Bridge model in the SHM application. It shows a virtual location of each sensor [1]
Figure 4.
Measuring scheme of the Rędziński Bridge [4]
Figure 5.
The monthly average forces in case of the longest stay-cables W40-PZ/F and W40-PW/F
Table 1.
Comparison of average monthly forces
| Sensor | Average force, August 2011 | Average force, December 2015 | Difference | Percent change |
| [kN] | [kN] | [kN] | ||
| W1-LZ/F | 1784 | 1658 | -126 | -7.0% |
| W1-LW/F | 1433 | 1237 | -196 | -13.7% |
| W4-LZ/F | 3121 | 3007 | -114 | -3.6% |
| W4-LW/F | 3001 | 2921 | -80 | -2.7% |
| W6-LZ/F | 3290 | 2756 | -533 | -16.2% |
| W6-LW/F | 3229 | 3254 | 24 | 0.8% |
| W8-LZ/F | 3669 | 3590 | -79 | -2.2% |
| W8-LW/F | 3771 | 3758 | -13 | -0.4% |
| W10-LZ/F | 4572 | 4675 | 103 | 2.3% |
| W10-LW/F | 4482 | 4419 | -62 | -1.4% |
| W12-LZ/F | 4898 | 4907 | 9 | 0.2% |
| W12-LW/F | 4441 | 4384 | -57 | -1.3% |
| W14-LZ/F | 5781 | 5580 | -200 | -3.5% |
| W14-LW/F | 5493 | 5362 | -131 | -2.4% |
| W16-LZ/F | 5262 | 4972 | -290 | -5.5% |
| W16-LW/F | 5428 | 5220 | -208 | -3.8% |
| W18-LZ/F | 5253 | 4932 | -322 | -6.1% |
| W18-LW/F | 5018 | 4681 | -337 | -6.7% |
| W20-LZ/F | 3135 | 2934 | -202 | -6.4% |
| W20-LW/F | 2966 | 2716 | -250 | -8.4% |
| Sensor | Average force, August 2011 | Average force, December 2015 | Difference | Percent change |
| [kN] | [kN] | [kN] | ||
| W21-LZ/F | 1740 | 1528 | -212 | -12.2% |
| W21-LW/F | 1380 | 1185 | -196 | -14.2% |
| W24-LZ/F | 3111 | 3033 | -78 | -2.5% |
| W24-LW/F | 3025 | 2930 | -95 | -3.1% |
| W26-LZ/F | 3305 | 3206 | -99 | -3.0% |
| W26-LW/F | 3229 | 3006 | -223 | -6.9% |
| W28-LZ/F | 3714 | 3572 | -142 | -3.8% |
| W28-LW/F | 3670 | 3614 | -56 | -1.5% |
| W30-LZ/F | 4744 | 4658 | -86 | -1.8% |
| W30-LW/F | 4570 | 4438 | -132 | -2.9% |
| W32-LZ/F | 4918 | 4697 | -221 | -4.5% |
| W32-LW/F | - | - | - | - |
| W34-LZ/F | - | - | - | - |
| W34-LW/F | 5759 | 5448 | -310 | -5.4% |
| W36-LZ/F | 5263 | 5005 | -258 | -4.9% |
| W36-LW/F | 5614 | 5233 | -381 | -6.8% |
| W38-LZ/F | 5254 | 4832 | -421 | -8.0% |
| W38-LW/F | 5281 | 4928 | -353 | -6.7% |
| W40-LZ/F | 3202 | 2825 | -376 | -11.8% |
| W40-LW/F | 3448 | 3041 | -408 | -11.8% |
| Sensor | Average force, August 2011 | Average force, December 2015 | Difference | Percent change |
| [kN] | [kN] | [kN] | ||
| W1-PZ/F | - | 1524 | - | - |
| W1-PW/F | - | 1304 | - | - |
| W4-PZ/F | 3051.3 | 3001 | -50.1 | -1.6% |
| W4-PW/F | 3069.3 | 2993 | -76.5 | -2.5% |
| W6-PZ/F | 3591.8 | 3625 | 33.7 | 0.9% |
| W6-PW/F | 3253.1 | 3116 | -136.7 | -4.2% |
| W8-PZ/F | 3596.8 | 3643 | 46.4 | 1.3% |
| W8-PW/F | 3550.4 | 3595 | 44.8 | 1.3% |
| W10-PZ/F | 4794.7 | 4823 | 27.8 | 0.6% |
| W10-PW/F | 4448.6 | 4368 | -81.1 | -1.8% |
| W12-PZ/F | 4869.1 | 4764 | -104.6 | -2.1% |
| W12-PW/F | 4722.2 | 3696 | -1026.7 | -21.7% |
| W14-PZ/F | 5579.0 | 5599 | 20.2 | 0.4% |
| W14-PW/F | 5598.2 | 5455 | -143.5 | -2.6% |
| W16-PZ/F | 5183.5 | 4987 | -196.8 | -3.8% |
| W16-PW/F | 5374.6 | 5241 | -133.9 | -2.5% |
| W18-PZ/F | 5285.3 | 5022 | -263.5 | -5.0% |
| W18-PW/F | 5323.7 | 5072 | -251.5 | -4.7% |
| W20-PZ/F | 3199.6 | 2959 | -240.4 | -7.5% |
| W20-PW/F | 2952.4 | 2701 | -251.6 | -8.5% |
| Sensor | Average force, August 2011 | Average force, December 2015 | Difference | Percent change |
| [kN] | [kN] | [kN] | ||
| W21-PZ/F | 1279 | 1064 | -215 | -16.8% |
| W21-PW/F | 1455 | 1266 | -189 | -13.0% |
| W24-PZ/F | 3088 | 603 | -2485 | -80.5% |
| W24-PW/F | 3028 | 2954 | -74 | -2.4% |
| W26-PZ/F | 3458 | 3316 | -141 | -4.1% |
| W26-PW/F | 3426 | 3443 | 17 | 0.5% |
| W28-PZ/F | 3610 | 3619 | 9 | 0.2% |
| W28-PW/F | 3614 | 3679 | 65 | 1.8% |
| W30-PZ/F | 4532 | 4641 | 108 | 2.4% |
| W30-PW/F | 4745 | 4650 | -96 | -2.0% |
| W32-PZ/F | 904 | 4893 | 3988 | 441.0% |
| W32-PW/F | 4942 | 4849 | -93 | -1.9% |
| W34-PZ/F | 5664 | 5497 | -167 | -2.9% |
| W34-PW/F | 5668 | 5460 | -208 | -3.7% |
| W36-PZ/F | 5437 | 5172 | -265 | -4.9% |
| W36-PW/F | 5352 | 4726 | -626 | -11.7% |
| W38-PZ/F | 5220 | 4981 | -239 | -4.6% |
| W38-PW/F | 5134 | 4979 | -155 | -3.0% |
| W40-PZ/F | 3029 | 2718 | -312 | -10.3% |
| W40-PW/F | 3303 | 3010 | -293 | -8.9% |
Figure 6.
The monthly average forces in case of the shortest stay-cables W1-LW/F and W1-LZ/F
Figure 7.
Change of the monthly average force in cables, in each row
Figure 8.
Forces change between 3/04/2016 and 16/4/2016 in four random cable-stays – a diagram generated using the SHM application
Table 2.
Measured and allowed angular displacements
| Sensor | Minimum displacement | Maximum displacement | Maximum designed displacement | |
| P0-L/Tt/Y | -0.01° | 0.10° | 1.09° | |
| P0-P/Tt/Y | -0.01° | 0.05° | 1.09° | |
| P17-L/Tt/Y | -0.06° | 0.08° | 2.74° | |
| P17-P/Tt/Y | -0.06° | 0.08° | 2.74° | |
| P30-L/Tt/X | -0.09° | 0.09° | 0.85° | |
| P30-L/Tt/Y | -0.06° | 0.04° | 1.47° | |
| P30-P/Tt/X | -0.11° | 0.08° | 0.85° | |
| P30-P/Tt/Y | -0.12° | 0.12° | 1.47° |
Figure 9.
Sensors in the pylon’s cross-beam
Figure 10.
Monthly average values of stress in concrete for the northern outside cross-beam surface
Figure 11.
Monthly average values of stress in steel for the northern outside cross-beam surface
Figure 12.
The monthly average temperature in cables, deck and pylon
Figure 13.
Two weeks temperature changes in the concrete deck sensors
Figure 14.
Two weeks temperature changes in the pylon’s cross-beam (in concrete and in steel elements)