Draft:XtreeE
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| Company type | Private |
|---|---|
| Industry | Construction technology, additive manufacturing |
| Founded | 2015 |
| Headquarters | Rungis, Île‑de‑France , France |
Key people | Dominique Corvez (CEO), Alban Mallet (CTO), Romain Duballet (CPO) |
| Products | Large‑scale 3D concrete printers, software for additive construction |
| Services | Printing‑as‑a‑Service, design and engineering support |
| Website | www |
XtreeE is a French construction technology company specializing in large‑scale 3D printing of cementitious materials for architecture and civil engineering. The company develops multi‑component concrete printing systems mounted on industrial robotic arms and provides a Printing‑as‑a‑Service network that allows partners to produce components locally. By 2023 independent trade press reported at least a dozen XtreeE printing units operating in Europe, the Middle East, North America and Asia. Ridsdale, Jack (21 March 2023). "XtreeE expands Construction 3D printing network to 12 sites". 3D Printing Industry. XtreeE has been covered for projects such as a 40‑metre pedestrian footbridge in Paris with a deck entirely 3D‑printed in structural concrete, five 3D‑printed social housing units in Reims, and biomimetic artificial reef modules deployed in the Mediterranean. "XTreeE to 3D print Footbridge in Paris for 2024 Olympic Games". GCO Portal. 16 October 2020. "In Reims, five 3D printed concrete houses, a first in France". Batinfo. AFP. 14 June 2022. "Vicat's concrete 3D ink buoys up marine biodiversity". Vicat. 4 June 2019. "3D‑printed artificial reefs to restore coral ecosystems". Parametric Architecture. 25 November 2022.
History
[edit]XtreeE was founded in 2015 by a multidisciplinary team following the DEMOCRITE academic research programme linking ENSA Paris‑Malaquais, Arts et Métiers ParisTech (PIMM/CNAM), ENSCI‑Les Ateliers and Inria. Early scientific publications documented the company’s process route for printing ultra‑high‑performance concrete and the transition from architectured materials research to large‑scale additive manufacturing. Gosselin, Clément; Duballet, Romain; Roux, Philippe; Gaudillière, Nadja; Dirrenberger, Julien; Morel, Philippe (2016). "Large‑scale 3D printing of ultra‑high performance concrete, a new processing route for architects and builders". Materials & Design. 100: 102–109. doi:10.1016/j.matdes.2016.03.097. Dirrenberger, Julien (2017). "From architectured materials to the development of large‑scale additive manufacturing". SPOOL. 4 (1). doi:10.7480/spool.2017.1.1910.
In 2016 the company announced a collaboration with LafargeHolcim to develop printable concrete mixes, and in 2017 VINCI Construction became a partner and shareholder. "Holcim and XtreeE innovate with 3D printed concrete". Holcim. 20 September 2016. "Vinci takes stake in French start‑up to push large‑scale 3D printing". Global Construction Review. 10 February 2017. In 2019 TTWiiN Investment Partners, the investment arm of Thornton Tomasetti, disclosed an equity investment alongside Shibumi International and VINCI Construction. "Thornton Tomasetti Investment Arm Takes Stake in Leading 3D Printing Firm". TTWiiN. 6 June 2019. In 2021 Holcim France became a reference shareholder, taking a 20% stake. "LafargeHolcim becomes a shareholder of XTreeE". JEC Composites. 2021.
The company expanded internationally with partners. In 2019 VINCI launched Concreative in Dubai to operate a 3D concrete printing unit based on XtreeE technology, and a unit was also deployed in Osaka with Kurabo Industries. "XtreeE launches 3D printing construction unit in UAE, receives new funding". 3D Printing Industry. 7 June 2019. In March 2023, trade press reported 12 connected units worldwide, with further deployments in 2024, including at the U.S. National Institute of Standards and Technology (NIST). Ridsdale, Jack (21 March 2023). "XtreeE expands Construction 3D printing network to 12 sites". 3D Printing Industry. "Additive Construction – The Path to Standardization II". NIST. 2024. "On‑line and in‑line quality assessment across all scale levels of 3D concrete printing". TU Dresden. 27 August 2024. Authors include N. Ducoulombier (XtreeE).
Technology
[edit]XtreeE’s process uses an industrial robot with a multi‑component printhead to deposit cementitious materials layer by layer; the approach targets reduced formwork, lower material usage, and geometrical freedom for structural and façade elements. Peer‑reviewed work associated with the team discusses mix design, tangential‑continuity toolpaths, fresh‑state rheology, and integration with conventional reinforcement. Gosselin, Clément; Duballet, Romain; Roux, Philippe; Gaudillière, Nadja; Dirrenberger, Julien; Morel, Philippe (2016). "Large‑scale 3D printing of ultra‑high performance concrete, a new processing route for architects and builders". Materials & Design. 100: 102–109. doi:10.1016/j.matdes.2016.03.097. Buswell, R. A.; Leal de Silva, W. R.; Jones, S. Z.; Dirrenberger, J. (October 2018). "3D printing using concrete extrusion: A roadmap for research". Cement and Concrete Research. 112: 37–49. doi:10.1016/j.cemconres.2018.05.006. Wolfs, Rob; Bos, Derk; Caron, Jean‑François; Gerke, Markus; Mesnil, Romain; Buswell, Richard; Ducoulombier, Nicolas (27 August 2024). "On‑line and in‑line quality assessment across all scale levels of 3D concrete printing". Cement and Concrete Research. 185: 107646. doi:10.1016/j.cemconres.2024.107646.
Projects
[edit]- Structural components
In 2016 the company and LafargeHolcim publicised what was described as Europe’s first 3D‑printed concrete structural element, demonstrating the feasibility of load‑bearing parts produced with printable UHPC. "LafargeHolcim and XtreeE successfully 3D print Europe's first concrete structural element". 3ders. 21 September 2016. "Holcim and XtreeE innovate with 3D printed concrete". Holcim. 20 September 2016.
- Pedestrian footbridge in Paris
In October 2020 Plaine Commune Grand Paris awarded a design–build contract for a 40‑metre pedestrian bridge whose deck would be entirely 3D‑printed in structural concrete, to a consortium led by Freyssinet with Lavigne & Cheron, Quadric, XtreeE and LafargeHolcim. "Paris to get 3D‑printed concrete deck footbridge ahead of 2024 Olympics". Bridge Design & Engineering. 20 October 2020. "XTreeE to 3D print Footbridge in Paris for 2024 Olympic Games". GCO Portal. 16 October 2020. "XtreeE will 3D print a bridge in Paris for 2024 Olympic Games". 3Dnatives. 16 October 2020.
- Viliaprint social housing, Reims
On 2 June 2022 the Viliaprint project led by social landlord Plurial Novilia inaugurated five rental homes in the Réma’Vert eco‑district of Reims. The dwellings combined off‑site 3D‑printed concrete walls produced by XtreeE with prefabricated elements, under an ATEx technical approval issued by France’s CSTB in November 2020. "In Reims, five 3D printed concrete houses, a first in France". Batinfo. AFP. 14 June 2022. "Contrôle technique de la construction de maisons en impression 3D à Reims". Socotec (in French). "Inauguration of Viliaprint: 3D printing passes entrance exam in social housing construction". Batinfo. 7 June 2022.
- Public‑works pilots
In 2017 and 2018 XtreeE collaborated with Saint‑Gobain Point.P Travaux Publics and SADE on public‑works demonstrators, including a 5‑ton stormwater overflow structure printed on site and bespoke sewer access chambers. "De l'intelligence dans le regard : Point.P TP et XtreeE impriment sur chantier un déversoir en béton". Construction21 (in French). 2 June 2017. "Point.P TP, XtreeE et la SADE réalisent un déversoir d'orage imprimé 3D de plus de 5 tonnes". SADE (in French). June 2017. "3D‑printed concrete sewer manholes by XtreeE". Primante3D (in French). 11 May 2018.
- Artificial reefs and marine ecology
XtreeE and Seaboost designed and printed biomimetic concrete reef modules to enhance marine habitats, with deployments including units in the Calanques National Park (2017), 32 modules off Cap d’Agde (2019), and a sculptural reef immersed in Monaco in 2021. "Vicat's concrete 3D ink buoys up marine biodiversity". Vicat. 4 June 2019. "3D‑printed artificial reefs to restore coral ecosystems". Parametric Architecture. 25 November 2022. "Un récif artificiel en impression 3D béton signé XtreeE". ACPresse (in French). 14 April 2022. Video documentation of the program has been published by Seaboost. Large scale 3D‑printed artificial reefs. YouTube. 2018.
Research
[edit]Members of XtreeE and affiliated collaborators have authored or co‑authored several peer‑reviewed papers and book chapters on concrete 3D printing, including:
- C. Gosselin, R. Duballet, P. Roux, N. Gaudillière, J. Dirrenberger, P. Morel (2016), Materials & Design 100, 102–109. Gosselin, Clément; Duballet, Romain; Roux, Philippe; Gaudillière, Nadja; Dirrenberger, Julien; Morel, Philippe (2016). "Large‑scale 3D printing of ultra‑high performance concrete – a new processing route for architects and builders". Materials & Design. 100: 102–109. doi:10.1016/j.matdes.2016.03.097.
- J. Dirrenberger (2017), SPOOL 4(1). Dirrenberger, Julien (2017). "From architectured materials to the development of large‑scale additive manufacturing". SPOOL. 4 (1). doi:10.7480/spool.2017.1.1910.
- R. A. Buswell, W. R. Leal de Silva, S. Z. Jones, J. Dirrenberger (2018), Cement and Concrete Research 112, 37–49. Buswell, R. A.; Leal de Silva, W. R.; Jones, S. Z.; Dirrenberger, J. (October 2018). "3D printing using concrete extrusion: A roadmap for research". Cement and Concrete Research. 112: 37–49. doi:10.1016/j.cemconres.2018.05.006.
- R. Wolfs et al. with N. Ducoulombier (2024), Cement and Concrete Research 185, 107646. Wolfs, Rob; Bos, Derk; Caron, Jean‑François; Gerke, Markus; Mesnil, Romain; Buswell, Richard; Ducoulombier, Nicolas (27 August 2024). "On‑line and in‑line quality assessment across all scale levels of 3D concrete printing". Cement and Concrete Research. 185: 107646. doi:10.1016/j.cemconres.2024.107646.
NIST has also cited Justin Dirrenberger as co‑author of a widely referenced roadmap paper on concrete extrusion. "3D printing using concrete extrusion: a roadmap for research". NIST. 14 June 2018.
See also
[edit]External links
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