Concrete 3D Printing Technologies Explored at Arch_Manu Talk Series

On Tuesday, 3 March 2026, Hussam Salah, Operations Manager at TAMVINCI (a 3DVinci Creations company), delivered a technical presentation during Arch_Manu Talk Series 43, an online event bringing together architects and construction professionals to discuss emerging digital construction technologies.

The talk, titled “Concrete 3D-Printing Technologies: comparison between 3D printing technologies based on real-time applications,” examined how additive manufacturing is reshaping construction practices and enabling new architectural possibilities.

During the session, Salah presented an overview of the main technologies currently used in concrete 3D printing, including extrusion-based systems, robotic arm printing, and gantry-based printers. Each system was discussed in relation to its operational capabilities, design flexibility, and suitability for different types of construction projects.

A central theme of the presentation was the role of material design in printable concrete. Salah explained how factors such as pumpability, buildability, and layer stability influence the performance of printed structures, and how carefully optimized mixtures and admixtures are required to achieve reliable printing conditions.

Drawing on examples from regional and international projects, the session also highlighted practical challenges encountered in real construction environments, including process control, printing parameter coordination, and the integration of digital fabrication methods within traditional construction workflows.

By comparing technologies through real project experience, the talk provided architects and engineers with a clearer understanding of how concrete 3D printing is moving from experimental applications toward practical implementation in the built environment.

Sustainability and Industry Impact

Beyond the technical aspects of additive construction, the presentation also highlighted how concrete 3D printing can contribute to more sustainable construction practices. By reducing formwork, optimizing material usage, and enabling more efficient fabrication processes, the technology has the potential to lower construction waste and improve resource efficiency.

The session also addressed how these innovations align with the United Nations Sustainable Development Goals (SDGs), particularly:

SDG 9 – Industry, Innovation and Infrastructure

SDG 11 – Sustainable Cities and Communities

Through digital fabrication and advanced construction methods, concrete 3D printing is increasingly positioned as a tool for supporting more resilient and sustainable urban development.

About the Speaker

Hussam Salah is the Operations Manager at TAMVINCI (a 3DVinci Creations company) and a mechanical engineer specialized in concrete 3D printing.

He has hands-on experience delivering more than 10 large-scale 3D concrete printing projects, with expertise spanning material optimization, mix coordination, printing parameter control, and on-site execution.

Salah has also delivered over 30 professional workshops on additive construction technologies and has supported clients in implementing tailored concrete 3D printing solutions for complex site conditions and project requirements.

Key Questions About Concrete 3D Printing Technologies

What are the main technologies used in concrete 3D printing?

Concrete 3D printing typically relies on extrusion-based systems, robotic arm printers, and gantry-based machines, each offering different advantages depending on the scale and geometry of the project.

Why is material optimisation important for printable concrete?

Printable concrete must maintain pumpability during extrusion while quickly gaining enough strength to support successive layers. Achieving this balance requires carefully designed mixtures and the use of specialized admixtures.

What advantages does concrete 3D printing offer in construction?

The technology allows complex geometries to be built without traditional formwork, reduces material waste, and introduces new efficiencies in digital construction workflows.