General Information
Figure 1 shows a two-lane road beam bridge.
![Beam bridge over a river](bridges/beam-bridges/bridge-3/1-beam-bridge.jpg)
Main span | ≅ 20 m |
Girder | Prestressed concrete beam |
Partially Embedded Piles
The foundation of each two-column pier consists of a pile cap and piles, as shown in figure 2.
![Foundation of a beam bridge with partially embedded piles](bridges/beam-bridges/bridge-3/2-beam-bridge-foundation.jpg)
The piles are partially embedded in the ground.
What are the main structural and constructive problems?
Figure 3 shows a foundation.
![Pile cap and partially embedded piles of a beam bridge](bridges/beam-bridges/bridge-3/3-partially-embedded-piles.jpg)
There are a total of 14 piles, and two of them are damaged. Figure 4 shows an enlarged view of the piles.
![Damaged partially embedded piles](bridges/beam-bridges/bridge-3/4-damaged-piles.jpg)
Does the bridge have a structural safety or serviceability problem with the above shown damaged piles?