Innovative Design of Movable Bridges - Heavy Movable Structures ...

The cross-section consists of
- a trapezoidal box girder with a width of 7 m at its bottom and 10,5 m at the top
- two 5,25 m wide cantilevers.
The bridge deck is prestressed in the longitudinal as well as in the transverse direction, Fig. 3.2b.
For the launching, continuity tendons were introduced at both bridge ends which were cut after the
bridge had reached its final position.
3.2.2 Main pier
The main pier consists, Fig. 3.3a, of
- the massive pier table square 12,8 m
- the hollow shaft square 6,5 m, with a wall thickness of 1,0 m
- the 2,0 m thick pile cap
- 16 drilled piles Ø 2 m with a length of about 40 m.
The pier table is heavily prestressed, Fig. 3.3b.
The bridge deck rests at the pier on a turning circle with a radius of 10 m, Fig. 3.3c.
a
b
c
Fig. 3.3:Main pier: Layout, b)Prestressing of the pier table, c) Turning circle
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