Research Article

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

Table 7

Equivalent flexural rigidity of the test girders under different damage conditions.

GirderDamage degree (kN) (mm) (%)

Z1D0/LC01205.01.0700
D1/LC156035.780.70134.5
D2/LC282097.540.37565.0
D3/LC31160150.490.34467.9
D4/LC41240164.620.33668.6

Z2D0/LC0723.21.0000
D1/LC152048.480.47952.1
D2/LC2840108.220.34665.4
D3/LC31190182.890.29071.0
D4/LC41190184.250.28871.2

B1D0/LC0512.21.0400
D1/LC158041.650.62240.2
D2/LC292098.790.41660.0
D3/LC31190141.740.37563.9
D4/LC41400175.420.35665.8