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HomeModern3D-printed concrete bridge combines historical masonry and expertise

3D-printed concrete bridge combines historical masonry and expertise

3D-printed concrete bridge combines historical masonry and expertise

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The Striatus bridge makes use of historic masonry building strategies and fashionable expertise explains Zaha Hadid Architects affiliate director Shajay Bhooshan on this instalment of Dezeen’s Concrete Icons video sequence produced in collaboration with Holcim.

The video options Striatus, a freestanding 3D-printed concrete footbridge designed to exhibit how 3D printing strategies can be utilized to construct with much less materials.

Two women climbing up the stairs of Striatus 3D-printed concrete footbridge
Striatus is a freestanding 3D-printed concrete footbridge

Talking to Dezeen in an unique video interview filmed at Zaha Hadid Architects’ workplace in London, Bhooshan defined how the bridge was constructed to showcase the capabilities of unreinforced concrete and computational design.

“Striatus demonstrates that combining historical wisdoms of masonry building, fashionable applied sciences of design and engineering and 3D concrete printing, we are able to obtain a pathway to sustainable use of concrete,” he stated.

Two children running through the arches of the Striatus 3D-printed concrete footbridge
The bridge is designed to showcase masonry building and fashionable expertise

The arched bridge was constructed from 53 hole blocks, every printed from 500 layers of concrete ink, which took 84 hours to print.

The Striatus bridge was printed utilizing a six-axis robotic arm that may print non-uniform, non-parallel layers, which allowed for the printing of arched parts that can be utilized structurally.

Close up of Holcim's ECOpact concrete ink depositing layers of concrete
The bridge is comprised of Holcim’s low-carbon ECOpact concrete ink

The bridge makes use of historic masonry building strategies to allow the load of the construction to be distributed with out the necessity for inner ancillary help, which implies it’s held collectively totally by way of compression.

“Striatus is assembled the identical method as different historical masonry building, which totally engages the compression capacities by pondering of concrete as a man-made stone,” Bhooshan stated.

Girl climbing up stairs of Striatus 3D-printed concrete footbridge
The bridge is constructed from 53 hole blocks made with 500 layers of concrete ink

The bridge is dry assembled with none glues, binders or mortar, which implies it may be extra simply disassembled and recycled. As a substitute, it makes use of neoprene pads to manage friction and stress focus, in addition to exterior ties to soak up thrust pressure.

The dearth of adhesives and mortar imply the bridge has a decrease environmental footprint and improves its circularity.

“The masonry rules additionally assist it to be extraordinarily recyclable, as a result of it’s dry assembled, and there’s no metal to be separated out,” Bhooshan stated. “It may be dismantled and crushed and cleanly reused.”

Close up shot of an arch on the Striatus 3D-printed concrete footbridge
Striatus is assembled with none adhesives and is held collectively solely by way of compression

For the reason that blocks used to make the bridge are hole, significantly much less materials was used.

“The concrete ink is deposited layer by layer,” he defined.

“You possibly can place materials solely the place it is wanted a bit like our bones, that are hole – there’s solely materials the place there’s forces flowing by way of it.”

Man walking underneath the arch of the Striatus 3D-printed concrete footbridge
The concrete bridge was designed to be simply disassembled and recycled

Striatus was initially conceived for and put in within the Giardini in Venice, as a part of the Venice Biennale in 2021.

It was constructed by Block Analysis Group at Swiss college ETH Zurich and the Computation and Design Group at Zaha Hadid Architects (ZHA CODE), in collaboration with concrete 3D printing specialists incremental3D.

Man climbing up the stairs of Striatus 3D-printed concrete footbridge
The bridge makes use of much less materials with out compromising efficiency

Concrete Icons is a six-part video sequence created in partnership with constructing supplies firm Holcim, which profiles probably the most placing modern concrete buildings by the world’s main architects.

Earlier instalments within the sequence give attention to MAD’s sinuous Cloudscape library in Haikou, China and The Broad museum by Diller Scofidio + Renfro.

Final week’s instalment focussed on The Sq., a studying centre comprised of stepping cubic volumes by Japanese architect Sou Fujimoto.

The images is by Naaro until said in any other case.

Partnership content material

Concrete Icons is produced by Dezeen for Holcim as a part of a partnership. Discover out extra about Dezeen’s partnership content material right here.

Construct the icons of the long run with Holcim’s low-carbon ECOPact concrete, delivering as much as 90 per cent much less carbon dioxide emissions in comparison with normal concrete with no compromise on efficiency.

Discover out extra about how Holcim works with architects right here.

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