Infill Modelling Influence on Dynamic Identification and Model Updating of Reinforced Concrete Framed Buildings
Table 2
Natural vibration modes identified by dynamic tests with the vibration generator in Position #2.
Mode
f (Hz)
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
1
2.47
0.00
0.06
0.88
1.00
0.00
0.05
0.71
0.81
0.00
0.06
0.44
0.49
2
2.79
−0.66
0.80
−0.72
1.00
−0.55
0.70
−0.63
0.85
−0.42
0.50
−0.47
0.56
3
8.66
−0.31
0.06
−0.89
−0.29
0.03
0.01
0.16
0.11
0.37
−0.13
1.00
0.36
4
9.57
−0.78
0.70
−0.64
1.00
0.03
0.00
0.01
−0.08
0.76
−0.65
0.65
−0.92
5
18.55
0.39
−0.64
0.33
0.78
1.00
−0.94
0.58
0.04
0.46
−0.40
0.24
0.56
6
21.71
1.00
0.03
0.00
−0.01
−0.03
0.04
0.01
−0.03
−0.04
0.04
0.03
−0.03
Natural frequency and components of the modal eigenvectors for each of the 12 accelerometers A1–A12 (columns) and for each of the five identified modes (rows).
