Research Article

Full-Scale Experimental Investigation of the Static and Dynamic Stiffness of Prestressed Concrete Girders

Table 5

Natural frequencies of the test girders.

GirderDamage degree (%) (%)

Z1D0/LC03.64900
D1/LC13.6942.6851.487
D2/LC23.7725.3972.121
D3/LC33.8248.1103.709
D4/LC43.8248.1103.709

Z2D0/LC03.63900
D1/LC13.7142.7870.766
D2/LC23.7685.5752.220
D3/LC33.8188.3333.815
D4/LC43.8188.3333.815

B1D0/LC03.55500
D1/LC13.6282.7870.784
D2/LC23.7065.5751.560
D3/LC33.7878.3332.344
D4/LC43.7878.3332.344