The two upper strings, parallel
and protects it from corrosion. The
shape of V. The shape of this mast is
between them, describe an arc of
topcoat layer is made of white
particularly suitable for cycling routes
circumference 38.50 m long with a
RAL9001acrylic paint.
or mixed as the possibility of interfer-
stud of about 0.60 m at the centerline.
Since the structure is built below street
ing with the mast during pedaling is
They are made with tubular diameter
level, the technical element, from the
greatly diminished compared to tradi-
of 273 mm and 8 mm thick, and
figurative point of view, is delegated to
tional parapets (Figure 9).
beyond that to trace the curve of the
the parapet. It is formed from simple
To ensure the stability it has been
road, have stabilization function. They
coil and laser-cut profiles with longitu-
used finite element analysis on the
support a trellis beams HEA on which
dinal round of about 15 mm in diame-
deck, both on
complex deck-
rests a corrugated coil sheet H35
ter to form the current items of protec-
foundation, and particular attention
thickness 8/10 mm, which has the
tion and the upper tubular of 70 mm in
was given to aspects of soil-structure
purpose of conveying the rainwater on
diameter for the handrail. Along the
interaction and stability of the shoul-
the two abutment and support the
rails are recessed LED lamps to illumi-
ders in the river bed. The stiffness of
finishing, made of wood composite.
nate the deck. The parapet is divided
the complex of Trustees has played a
The two lower arches forming the
into two portions. The lower part is
decisive role in the design because,
base of the shoulders with a constraint
inclined toward the outside of the
due to the geometry of the structure,
of interlocking, while the upper arches
carriageway, and then bend towards
the occurrence of a inelastic failure of
have a simple unilateral support (Fig-
the inside of the deck with the upper,
the abutment over horizontal direc-
ure 8).
forming in this way a silhouette in the
tion, would have resulted in a consid-
e r a b l e
v e r t i c a l
d e f o r m a t i o n .
Therefore, in the shoulders was the
possibility to enter the hydraulic jacks
to compensate for any sagging of the
shoulders that may occur because of
the occurrence of the phenomenon of
consolidation.
The soil is predominantly cohesive,
characterized by alluvial deposits with
very low values of undrained cohe-
sion.
The warping orthogonal connecting
the four arches is constituted by a
series of tubes of diameter 219 mm to
10 mm thick, and is delegated to the
transmission of the shear stresses.
Altogether were employed then 22500
kg of steel. Therefore, the metallic
structure accounts for about 1,50
kN/m2 on the overall mass and it is
able to hold more than 4 times its own
weight, being 5,0 kN/m2 live load from
expected traffic.
The structure is protected by a zinc
primer, that ensures high durability
10
Issue 71 December 2013
2013 71

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