Research Article
Full-Scale Experimental Investigation of the Static and Dynamic Stiffness of Prestressed Concrete Girders
Table 5
Natural frequencies of the test girders.
| Girder | Damage degree | | (%) | (%) |
| Z1 | D0/LC0 | 3.649 | 0 | 0 | D1/LC1 | 3.694 | 2.685 | 1.487 | D2/LC2 | 3.772 | 5.397 | 2.121 | D3/LC3 | 3.824 | 8.110 | 3.709 | D4/LC4 | 3.824 | 8.110 | 3.709 |
| Z2 | D0/LC0 | 3.639 | 0 | 0 | D1/LC1 | 3.714 | 2.787 | 0.766 | D2/LC2 | 3.768 | 5.575 | 2.220 | D3/LC3 | 3.818 | 8.333 | 3.815 | D4/LC4 | 3.818 | 8.333 | 3.815 |
| B1 | D0/LC0 | 3.555 | 0 | 0 | D1/LC1 | 3.628 | 2.787 | 0.784 | D2/LC2 | 3.706 | 5.575 | 1.560 | D3/LC3 | 3.787 | 8.333 | 2.344 | D4/LC4 | 3.787 | 8.333 | 2.344 |
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