Infill Modelling Influence on Dynamic Identification and Model Updating of Reinforced Concrete Framed Buildings

Table 1

Natural vibration modes identified by dynamic tests with the vibration generator in Position #1.

Mode	f (Hz)	A1	A2	A3	A4	A5	A6	A7	A8	A9	A10	A11	A12
1	2.55	1.00	0.34	0.40	—	0.76	0.24	0.32	—	0.53	0.12	0.21	—
2	2.75	1.00	−0.63	0.90	—	0.79	−0.54	0.78	—	0.59	−0.39	0.54	—
3	8.98	−0.92	−0.60	−0.19	—	0.17	0.16	0.02	—	1.00	0.67	0.19	—
4	9.62	−0.69	1.00	−0.81	—	−0.01	−0.05	0.02	—	0.68	−0.97	0.83	—
5	18.71	—	—	−0.02	−0.00			1.00	0.00	−0.12	0.00	0.00	0.45

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).