Questions tagged [concrete-printers]

3 questions
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How does this Martian habitat 3D printer built for NASA work?

The ArchDaily article AI SpaceFactory Wins NASA's 3D-Printed Mars Habitat Challenge shows a working 3D printing apparatus using an unusual material containing basalt fiber extracted from Marian rock (simulant) and renewable plant-based…
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What is the reinforcement for 3D printing concrete cement?

When houses are printed with concrete cement what replaces the steel rebar for reinforcement? Here's a link referencing printing concrete: https://www.aniwaa.com/house-3d-printer-construction/ House 3D printers use extrusion technology. Some…
Perry Webb
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Why do concrete 3D printers zigzag?

Why do concrete 3D printers lay the concrete in a zigzag shape? I know pouring it in a straight line makes it unstable, but the zigzag shape reduces the contact of the top layer to the layer below. What is the advantage?
Aryaz
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