On the side of Paleiskwartier, the bridge
The floor heating/solar collector is
The trains need such a large amount of
will have more of a forest-like character.
connected to a heat/cold storage unit.
headroom that the entire bridge would
The new green creates a new eco system in
During the summer, the bridge retrieves
have had to be raised by a couple of
the city centre, offering room for new flora
more heat from the bridge than is needed
metres. The concrete compression layer
and fauna. A drip feed watering system
during the winter and supplies the
is perforated in areas with trees. This has
with detection has been installed in the
surrounding district with energy. Structure
created a tree bed in the steel box girders.
flower beds on the bridge. The discharge
The Paleisbrug is composed of various
The perforations are placed strategically
from the planters is fitted with an
sizes of spans that run from column to
and lead to a good result, both for the
additional overflow pipe, so that the plants
column. The columns are covered in
planting scheme and the structure. The
will never receive too much water. In the
weather-proof steel panels, so that they
concrete is not visible anywhere on the
evenings, the plants, benches and paths
form a whole with the spans.
bridge. Four lanes, each two metres wide
are lit up by LED lighting, which means the
bridge is a pleasant area even after sunset.
Solar collector In order to be able to keep
the bridge free from ice during the winter,
floor heating with a low temperature was
a departure point in the design. Road
salt is not an option, as it would kill the
plants and affect the material. That is why
Benthem Crouwel looked for a sustainable
solution for the use of floor heating. The
answer is to have the Paleisbrug act as a
giant solar collector during the summer.
The spans comprise of horizontal weatherproof steel ducts covered a concrete
compression layer. The longer the span,
the higher the ducts. The largest span,
measuring 60 metres in length, runs
across the railway track. For this span, an
additional trussed joint has been created
on top of the bridge deck. A structure
underneath the bridge deck was not
possible in this place.
and alternately consisting of flower beds
and paving, run across the length of the
bridge. Strips, sixty centimetres wide
and finished with a weather- proof steel
studded sheet, run between the flower
beds and paving. This where the cables,
pipes and gutters for the rain water
discharge from the street can be found.
The setup of the bridge deck and pipework
can be replaced, if necessary, without
affective the main supporting structure.