Technical Analysis and Comparison of Formwork-Making Methods for Customized Prefabricated Buildings: 3D Printing and Conventional Methods
Publication: Journal of Architectural Engineering
Volume 26, Issue 2
Abstract
Three-dimensional (3D) printing technology is increasingly playing an essential role in the customization of prefabricated buildings. To demonstrate its high-quality, cost, and time-saving advantages, this paper first presents a technical analysis of prefabricated formwork-making using 3D printing. Then, we compare 3D printing to the two conventional methods of manual wood and computer numerical control (CNC) foam using a demonstration house with curved walls specially designed and constructed using these three formwork-making methods. We concluded from our comparison that the 3D-printed polymer-based formwork-making method performed best in accuracy and time, and generated greater cost-effectiveness than did the manual wood and CNC foam formwork-making methods for the mass production of customized prefabricated buildings. Lastly, this paper provides design guidelines for architects to help achieve the highest economic savings and efficiency in customized prefabricated formwork utilizing the 3D printing method.
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Acknowledgments
The authors gratefully acknowledge the assistance of Gate Construction Materials Group and Nanjing Beilida New Material System Engineering Co., Ltd. who participated in the fabrication of the demonstration house and provided the formwork-making data.
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Information & Authors
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Published In
Journal of Architectural Engineering
Volume 26 • Issue 2 • June 2020
Copyright
© 2020 American Society of Civil Engineers.
History
Received: Jul 1, 2019
Accepted: Sep 18, 2019
Published online: Mar 18, 2020
Published in print: Jun 1, 2020
Discussion open until: Aug 18, 2020
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