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. 2021 May 14;13(10):1577. doi: 10.3390/polym13101577

Table 2.

Frequency and stiffness changes of the buildings.

Frequencies [Hz] Stiffness Change [Undamaged Equals to 1.00]
BF TM PUFJ BF TM PUFJ
Undamaged 6.65 10.07 7.84 1.00 1.00 1.00
Damaged 6.23 8.36 7.72 0.88 0.69 0.97
Ratio 93.7% 83.1% 98.4% 87.7% 69.0% 96.9%