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나상호 ( Na Sangho ),이장현 ( Lee Janghyun ),박영미 ( Park Youngmi ),김성진 ( Kim Sungjin ) 한국건축시공학회 2021 한국건축시공학회 학술발표대회 논문집 Vol.21 No.1
3D printing has the unique advantage of the ability to customize freeform products even in small quantities. It was recently applied successfully in the node connection system for the irregular shaped glass design of Gwanggyo Galleria Department Store. This was achieved by applying 3D printing technology for an innovative smart node design. The novel system offers flexibility to address various design challenges in addition to maximizing construction quality and reducing construction period. In this paper, we aim to examine the use of 3D printing based innovative technologies in the construction industry. With this aim in mind, we present the case of the Gwanggyo Galleria Department Store's smart nodes. The key objective of this study is creating awareness in the construction industry of the need to utilize fourth industrial revolution technology in architecture.
비규격 스틸커튼월 부재의 적용을 위한 로봇 레이저용접 성능에 관한 연구
나상호 ( Na¸ Sangho ),이장현 ( Lee¸ Janghyun ),박영미 ( Park¸ Youngmi ),김성진 ( Kim¸ Sungjin ) 한국건축시공학회 2021 한국건축시공학회 학술발표대회 논문집 Vol.21 No.2
In irregular curtain walls, the nominal stress required for each member varies greatly depending on the shape, so it is inefficient to design members based on the maximum required stress. Then, built-up members are absolutely necessary, but built-up members manufactured by Manpower-welding cannot be constructed in an irregular curtain wall building because it' not precise. In order to address the problems, this paper presents why Robotic-laser-welding should be used in irregular curtain walls using Gwanggyo Galleria Department Store involving 3D printing as an example. Results verify the performance of Robot-Laser-Welding as an efficient solution for precise steel curtain wall members.
자유형상 커튼월 구현을 위한 3D 프린팅을 활용한 스마트노드 시스템의 연구
나상호 ( Na Sangho ),유승규 ( Yoo Seungkyu ),박영미 ( Park Youngmi ),박정준 ( Park Jungjoon ),김성진 ( Kim Sungjin ) 한국건축시공학회 2018 한국건축시공학회 학술발표대회 논문집 Vol.18 No.2
3D printing has the unique advantage of the ability to customize freeform product even in small quantity. However, we need to select and apply the only necessary parts of it because of the high cost of the manufacturing technology. It is of critical importance in irregular-shaped curtain walls to ensure precision of construction as well as quality fo finish. Complex shape that have structural members at varying angles can have nodes of different shapes making it unfeasible to construct using a general node connection detail. Therefore, this study aims to utilize smart node system using 3D printing as a solution to complex irregular-shaped curtain wall design.