Abstract
Many countries have a strategy to increase the ratio of off-site construction. Design for manufacturing and assembly (DfMA) is a challenging requirement for a designer in the construction industry. Prefabricated structural members are widely utilized for bridge construction to minimize on-site activities. This paper proposes digital fabrication models for DfMA considering 3D concrete printing and CNC milling. Data-driven information delivery between the digital model and the robot arm was defined. Prefabricated bridge columns require strict geometry control, especially for match casting. Design for assembly procedure through digital models and robotic technology is proposed. Digital fabrication is essential for a fully prefabricated bridge. Consequently, a printed permanent formwork has been applied for a novel digital fabrication method of the prefabricated column segments.
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Acknowledgements
This research was conducted with the support of the “National R&D Project for Smart Construction Technology (No.22SMIP-A158708-03)” funded by the Korea Agency for Infrastructure Technology Advancement under the Ministry of Land, Infrastructure, and Transport, and managed by the Korea Expressway Corporation.
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Kim, T.K., Nguyen, D.C., Shim, C.S. (2023). Digital Fabrication for DfMA of a Prefabricated Bridge Pier. In: Geng, G., Qian, X., Poh, L.H., Pang, S.D. (eds) Proceedings of The 17th East Asian-Pacific Conference on Structural Engineering and Construction, 2022. Lecture Notes in Civil Engineering, vol 302. Springer, Singapore. https://doi.org/10.1007/978-981-19-7331-4_24
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DOI: https://doi.org/10.1007/978-981-19-7331-4_24
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