The effect of nozzle shapes on the compactness and strength of structures printed by additive manufacturing of concrete

• Main Authors: Lao, Wenxin, Tay, Daniel Yi Wei, Quirin, Didier, Tan, Ming Jen
• Other Authors: School of Mechanical and Aerospace Engineering
• Format: Conference or Workshop Item
• Language: English
• Published: 2018
• Subjects: Additive Manufacturing 3D Printing With Concrete; Nozzle; DRNTU::Engineering::Civil engineering::Construction technology; DRNTU::Engineering::Mechanical engineering::Prototyping
• Online Access: https://hdl.handle.net/10356/88253; http://hdl.handle.net/10220/45707
• Institution: Nanyang Technological University

In direct-extrusion based Additive Manufacturing of Concrete (AMoC), the compactness and the mechanical strength of printed parts can be improved by optimizing the shape of extrudate. The shape of extrudate is significantly affected by the shape of nozzle outlet because of the viscoelastic behavi...