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Renzo Piano unveils substitute for collapsed toll road bridge in Genoa

Renzo Piano‘s Genoa San Giorgio Bridge, which is the substitute for the Morandi Bridge that collapsed in a storm almost two years ago, has opened in Italy.

Inbuilt Piano’s house the town of Genoa, the 1,100-metre-long toll road bridge used to be inaugurated by way of the Italian top minister virtually precisely two years after the former bridge collapsed on 14 August 2018 killing 43 other people.

Genoa San Giorgio Bridge by Renzo Piano

Genoa San Giorgio Bridge by Renzo Piano

The design and construct of the brand new bridge over the Polcevera river and the space of Val Polcevera used to be finished in lower than two years following round-the-clock development.

“Its speedy reconstruction targets to change into a type for the renovation and adaptation of Italian infrastructure with a excessive social, financial and strategic importance,” mentioned Piano’s studio Renzo Piano Building Workshop.

Genoa San Giorgio Bridge by Renzo Piano

Genoa San Giorgio Bridge by Renzo Piano

Described by way of the studio as an “city bridge”, the bridge’s deck is supported by way of 18 narrow strengthened concrete piers spaced 50 metres aside aside from within the central phase the place they’re separated by way of 100 metres.

Every of the piers has an elliptical phase designed to permit the sunshine to “slip” at the floor and assist mitigate the have an effect on at the neighbourhood underneath.

Genoa San Giorgio Bridge by Renzo Piano

Genoa San Giorgio Bridge by Renzo Piano

The piers reinforce a metal and urban deck this is remoted by way of a machine of reinforce gadgets which can be designed to give protection to the construction from seismic process.

In line with Piano’s studio, the bottom of the deck is curved to be harking back to the type of a boat.

Genoa San Giorgio Bridge by Renzo Piano

Genoa San Giorgio Bridge by Renzo Piano

“From an architectural standpoint, the shape described by way of the deck, which remembers the hull of a boat, is of significant significance,” mentioned the studio.

“The sluggish relief of the phase in opposition to the ends of the bridge attenuates the visible have an effect on of the brand new infrastructure. As well as, using a mild color for the coating of the metal parts makes the bridge brilliant, harmonising its presence within the panorama.”

Genoa San Giorgio Bridge by Renzo Piano

Genoa San Giorgio Bridge by Renzo Piano

Alongside the edges of the bridge deck are a sequence of steel fins that stretch from the bridge’s metal construction in conjunction with rows of photovoltaic panels that may energy its lighting fixtures and a 2.5-metre-high protecting glass barrier.

“The transparency of the glass and, because of this, the intense visible permeability that derives from it, makes it conceivable to look at the encircling panorama by way of crossing the brand new bridge, in addition to lightening its presence within the valley for many who will reside it from the town,” mentioned the studio.

Genoa San Giorgio Bridge by Renzo Piano

Genoa San Giorgio Bridge by Renzo Piano

Described as an “clever software” by way of the studio the bridge shall be steadily monitored the usage of a machine of inside sensors together with accelerometers, extensometers, velocimeters, inclinometers and detectors for joint growth.

Those sensors shall be supplemented by way of robots that may run alongside rails at the bridge’s edge to track the superstructure externally and also will blank the photovoltaic panels.

Genoa San Giorgio Bridge by Renzo Piano

Genoa San Giorgio Bridge by Renzo Piano

The Genoa San Giorgio Bridge replaces the Morandi Bridge, which used to be finished in 1974 and used to be an area landmark within the town of Genoa.

Designed by way of Italian engineer Riccardo Morandi, the cable-stayed bridge used to be finished in 1967 and had an peculiar construction because it used to be a concrete cable-stayed bridge.

As a part of the plan to rejuvenate of the realm below the collapsed bridge, Stefano Boeri has designed elevated walkway as part of the Polcevera Park and The Red Circle masterplan.

Pictures is by way of Shunji Ishida.


Undertaking credit:

Thought and supervision: Renzo Piano
Technical venture: Italferr
Normal contractor: Pergenova ScpA
Undertaking & development control and high quality assurance: Rina Consulting SpA
Lights specialists: iGuizzini
Consumer: Commissario ricostruzione Genova