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Striatus 3D printed masonry bridge set to awe visitors at Venice Biennale

A collaboration between ETH, Zaha Hadid, Holcim and incremental3D

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The  Block Research Group at ETCH Zurich is working with Zaha Hadid Architects Computation and Design Group (ZHACODE), incremental3D and Holcim to build the Striatus 3D concrete printed masonry bridge, in time for the Venice Biennale exhibit.

The 3D printed bridge is being built for the “Time Space Existence” exhibition, hosted by the European Cultural Centre (ECC) during the Venice Architecture Biennale 2021, which runs from May 22nd through November 2021. It will be built at the Giardini della Marinaressa.

Striatus is an arched, unreinforced masonry footbridge composed of 3D concrete printed blocks. The goal of the project is to establishing a new language for concrete, making Striatus is circular by design and combining traditional masonry with advanced technologies.

Achieving strength through geometry, the Striatus bridge stands solely through compression without reinforcement. Using advanced technologies, from computational design and engineering to robotic manufacturing, Striatus revives traditional master builders’ techniques.

Striatus was designed to place material only where needed, significantly reducing its environmental footprint. With no reinforcement and using dry assembly without binders, it can be repurposed repeatedly. This approach opens up a world of possibilities with concrete in a design that is structurally informed, fabrication-aware and ecologically responsible. Material is precisely placed to build more with less.

Striatus 3D printed masonry bridge to be built for Venice Biennale

Short credits: Block Research Group, ETH Zurich (BRG), Zaha Hadid Architects Computation and Design Group (ZHACODE), in collaboration with incremental3D, made possible by Holcim.
Project website:
Full credits:
Design: ZHACODE: Jianfei Chu, Vishu Bhooshan, Henry David Louth, Shajay Bhooshan, Patrik Schumacher, ETHZ BRG: Tom Van Mele, Alessandro Dell’Endice, Philippe Block
Structural engineering, ETHZ BRG: Tom Van Mele, Alessandro Dell’Endice, Sam Bouten, Philippe Block
Fabrication design, ETHZ BRG: Shajay Bhooshan, Alessandro Dell’Endice, Sam Bouten, Chaoyu Du, Tom Van Mele, ZHACODE: Vishu Bhooshan, Philip Singer, Tommaso Casucci
3D concrete printing: incremental3D: Johannes Megens, Georg Gasser, Sandro Sanin, Nikolas Janitsch, Janos Mohacsi
Concrete material development: Holcim: Christian Blachier, Marjorie Chantin-Coquard, Hélène Lombois-Burger, Francis Steiner, LafargeHolcim Spain: Benito Carrión, José Manuel Arnau
Assembly: Bürgin Creations, ETHZ BRG: Alessandro Dell’Endice, Tom Van Mele
Logistics: ETHZ BRG: Alessandro Dell’Endice, Tom Van Mele, Holcim Switzerland & Italy: Michele Alverdi
LafargeHolcim Spain: Ricardo de Pablos, José Luis Romero
Additional partners: Ackermann GmbH [CNC timber formwork], L2F Architettura [site measurements], Pletscher [steel supports], ZB Laser [lasercutting neoprene] Documentation: ZHACODE: Jianfei Chu, Vishu Bhooshan, Philip Singer, Cesar Fragachan, Shajay, Bhooshan, Studio NAARO, LBS Fotografia, SiteSing

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Davide Sher

Since 2002, Davide has built up extensive experience as a technology journalist, market analyst and consultant for the additive manufacturing industry. Born in Milan, Italy, he spent 12 years in the United States, where he completed his studies at SUNY USB. As a journalist covering the tech and videogame industry for over 10 years, he began covering the AM industry in 2013, first as an international journalist and subsequently as a market analyst, focusing on the additive manufacturing industry and relative vertical markets. In 2016 he co-founded London-based VoxelMatters. Today the company publishes the leading news and insights websites and, as well as VoxelMatters Directory, the largest global directory of companies in the additive manufacturing industry.

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