Researchers at IIT Guwahati have published a detailed study suggesting that 3D printed concrete walls can be made far more earthquake-tolerant by combining a ductile printable material with a reinforcement method designed specifically for the realities of the printing process.
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How To Intelligently Reinforce Concrete 3D Prints
Could concrete ever be 3D printed in complex ways? This may come true according to research on how to reinforce extruded concrete for construction.