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http://dx.doi.org/10.5762/KAIS.2021.22.1.719

Development of an Open-Typed Optimal Trolley Model for Cable-Based Retractable Membrane Roof  

Lee, Donwoo (Industrial Design and Architectural Engineering, Koreatech University)
Shon, Sudeok (Industrial Design and Architectural Engineering, Koreatech University)
Choi, Bongyoung (Interdisciplinary Program in Creative Engineering, Koreatech University)
Lee, Seungjae (Industrial Design and Architectural Engineering, Koreatech University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.22, no.1, 2021 , pp. 719-727 More about this Journal
Abstract
In the field of architecture, retractable devices capable of responding flexibly to the environment have been applied widely to large structures. Among these devices, the aesthetically pleasing retractable membrane is lightweight so that the membrane can be opened easily using only a traction device. On the other hand, because the towed membrane moves as it is connected to the main cable by a trolley, the number of trolleys needed increases in proportion to the roof's area. This study proposes an optimal model for an open-type trolley (OTT), which is used widely in these devices, using topology optimization. The analysis used the ANSYS program. A new model was proposed based on the results and reviewed through the feedback. Through this process, it was possible to develop a prototype with increased durability and reduced weight. For OTT, optimization was performed based on static analysis and the boundary conditions, so three prototypes were designed. A comparison of the proposed trolley with the conventional one under the same conditions revealed an up to 71.04% decrease in volume while the yield-strength reached 8.67 to 11.43%. In conclusion, the optimal trolley proposed was found to be reliable in terms of economy and stability.
Keywords
Cable-based Structures; Driving Device; Retractable Membrane; Topology Optimization; Trolley;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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