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Development of Sustainable Production Technology of Free-Form Concrete Panels Using a Multi-Point Press CNC Machine

Author

Listed:
  • Sunkuk Kim

    (Department of Architectural Engineering, Kyung Hee University, Yongin-si 17104, Korea)

  • Seunghyun Son

    (Department of Architectural Engineering, Kyung Hee University, Yongin-si 17104, Korea)

  • Donghoon Lee

    (Department of Architectural Engineering, Hanbat National University, Daejeon 34158, Korea)

Abstract

Maintaining shape accuracy in the production of concrete panels of free-form buildings is time-consuming and costly. In addition, disposable molds used for free-form panels are not sustainable. Such problems can be solved by developing a suitable computerized numeric control (CNC) machine that can produce an accurately shaped reusable form for free-form concrete materials in a short period of time. This project develops a production technology of quality free-form concrete panels using a CNC machine and verifies the shape quality through an experiment. We designed a multi-point press CNC machine and verified its quality. The CNC machine implements a smooth free-form shape by changing the shape of the silicon plate by movement of the rods. The silicone plate for the CNC machine generates a slight error due to the elastic cover and mechanical clearance. The mean error rate was within 3%, based on the thickness of the panels, at the 95% confidence level. Verification of these errors will provide meaningful information to a similar type of machine development. In addition, the project results will be helpful in technological development for the production of free-form concrete panels of uniform quality, whose shape accuracy is not influenced by the skills and competence of the workers producing the panels.

Suggested Citation

  • Sunkuk Kim & Seunghyun Son & Donghoon Lee, 2021. "Development of Sustainable Production Technology of Free-Form Concrete Panels Using a Multi-Point Press CNC Machine," Sustainability, MDPI, vol. 13(4), pages 1-15, February.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:4:p:1990-:d:498190
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    References listed on IDEAS

    as
    1. Beatriz Plaza, 2006. "The Return on Investment of the Guggenheim Museum Bilbao," International Journal of Urban and Regional Research, Wiley Blackwell, vol. 30(2), pages 452-467, June.
    2. Donghoon Lee & Sunkuk Kim, 2020. "Energy and CO 2 Reduction of Aluminum Powder Molds for Producing Free-Form Concrete Panels," Sustainability, MDPI, vol. 12(22), pages 1-10, November.
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    Cited by:

    1. Jongyoung Youn & Jiyoung Yun & Sungjin Kim & Bumjin Han & Sunglok Do & Donghoon Lee, 2022. "An Analytical Study of the Latest Trends of Free-Form Molds," Sustainability, MDPI, vol. 14(5), pages 1-14, March.
    2. Seunghyun Son & Dongjoo Lee & Jinhyuk Oh & Sunkuk Kim, 2021. "Embodied CO 2 Reduction Effects of Free-Form Concrete Panel Production Using Rod-Type Molds with 3D Plastering Technique," Sustainability, MDPI, vol. 13(18), pages 1-14, September.

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