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What is 3D printing technology in construction?

Published in Construction Technology 2 mins read

Construction 3D printing is a revolutionary technology that allows for the creation of building elements or entire structures using a large-scale 3D printer.

Understanding Construction 3D Printing

Based on the provided reference, construction 3D printing is a method for manufacturing construction elements or entire buildings through an additive process. This method utilizes a 3D printer printing concrete, polymer, metal, or other materials, layer-by-layer.

How it Works

The core principle involves building up structures by depositing material in successive layers, much like desktop 3D printers, but on a much larger scale.

  • Layer-by-Layer Process: Material is extruded or applied precisely, one layer on top of another, following a digital design.
  • Materials Used: Common materials include:
    • Concrete
    • Polymer
    • Metal
    • Other specialized construction materials

Common Printer Types

While various setups exist, the most common type of printer is based on a robotic arm. This arm is typically mounted on a frame or tracks and moves back and forth while extruding concrete or other build material directly onto the construction site or into a mold.

This technology offers the potential for increased speed, reduced waste, and greater design complexity compared to traditional construction methods.

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