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Retailer Walmart partnered over the summer with Alquist, a 3D-printed concrete construction company, to build the “largest 3D-printed commercial structure in the US” in Athens, Tenn.
The 8,000-square-foot addition’s specifications called for walls that top out just under 20 feet, a record height for 3D concrete-printed walls in commercial construction, and a first for Alquist, the company said in a statement. The structure will provide space for Walmart’s Online Pickup and Delivery program.
3D concrete printing (3DCP) is an emerging technology in construction that uses robotics to pump concrete and potentially reduce build time. The pour, or print, was a challenge that Alquist took on in part to gain insights into the developing technology.
Alquist Founder and Chairman Zachary Mannheimer said, “In order to improve, we tackled the most challenging project we could find and completed it with excellence.” He added, “This is the first such facility of its kind, and it’s just incredible that it is a reality; this is going to play a major role in the advancement of 3DCP technology.”
Walmart selected a 3D-printed concrete construction company because it aligns with its objectives to accelerate construction, leverage technology, and improve its environmental impact.
Vertical wall 3D printed by Alquist in Athens, Tenn., for Walmart. Jobsite image from Alquist 3D
Mannheimer praised their customer for bringing Alquist and their technology to the construction project, saying, “And for Walmart to see the value in this project demonstrates how forward-thinking the leadership of this organization is."
Alquist contractors and a 3D concrete printer in use at the Athens, Tenn., Walmart jobsite. Jobsite image from Alquist 3D
Lessons learned on the project included understanding the importance of managing material temperatures during summer, achieving faster print times, and completing the 20-foot vertical walls.
Wall printing 3D concrete with the Alquist team at the Athens, Tenn., Walmart jobsite. Image from Alquist 3D
Alquist is a 3D construction company, not a manufacturer. In 2021, it completed the world's first 3D-printed, owner-occupied home. The company said it plans to apply the knowledge gained on the Walmart project to another build for the retailer that is already in its pipeline.
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