Dynamic Modification and Damage Propagation of a Two-Storey Full-Scale Masonry Building

Figure 9

Natural frequencies and damping vs. model order applying using the subspace state-space system identification approach for the 5 test phases. (a) Stabilisation diagram: phase 1. (b) Stabilisation diagram: phase 2. (c) Stabilisation diagram: phase 3. (d) Stabilisation diagram: phase 4. (e) Stabilisation diagram: phase 5. (f) Stabilisation diagram: phase 6.

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(b)

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(f)