1/2010 - Sievert AG

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Schellenbergbrücke, the second
bridge sibo working on an architectural jewel in Osnabrück
In Osnabrück, work is currently ongoing
on a bridge that is expected
to enhance the city’s architectural
sights by July 2011. The new,
130-meter Schellenbergbrücke
spans the entire railroad shunting
yard, including two main lines running
between Amsterdam and Berlin.
It also extends over the Hase
Canal and one of its backwaters.
Around 500 m³ of concrete nonstop:
putting concrete into the northern
abutment on May 8, 2010.
The former Schellenbergbrücke was
one of the oldest bridges in the
Osnabrück metropolitan area. Large
portions of the structure were built in
1913. For quite some time, however,
traffic over the bridge was limited due
to its poor state of repair. As early
as the mid-nineties, it was clear that
renovation would not be enough here
in the long run. A new bridge would
have to be built as a replacement.
As part of a Europe-wide tender in
2004, a competent partner for building
the bridge was found: the Tilebein
engineering office in Osnabrück. The
old Schellenbergbrücke is being
replaced by a four-span pre-stressed
concrete structure. The superstructure
is designed as a double-webbed tbeam
with rounded webs (haunches)
in the supporting areas. The foundation
consists of bored piles made of
in-site concrete for all superstructures.
It was possible to begin deconstructing
the old bridge in the spring of
2009. Two companies, Hofschröer
in Lingen (Ems) and Dieckmann in
Osnabrück, were contracted to handle
all the construction work, including
the demolition of the existing bridge.
Once an auxiliary bridge had been set
up for cyclists and pedestrians, the
deconstruction work started in May.
“In order to be able to demolish the
old bridge, 550 metric tons of steel
superstructures and three concrete
superstructures, as well as four bridge
piers with 2,600 m³ of concrete had
to be dismantled. It took 350 m³ of
concrete for the foundations of the
three new abutments alone,” says
Lutz Vorreyer, also in charge of bridge
building in the municipal city plan-