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http://dx.doi.org/10.13161/kibim.2021.11.1.021

BIM based Data Exchange System of Welded Wire/bar Mat for Pre-fab RC Members  

Jung, Jae-Hwan (성균관대학교 미래도시융합공학과)
Kim, Do-Hyeong (다스코(주) 기술연구소)
Kim, Hyun-Gi (다스코(주) 기술연구소)
Publication Information
Journal of KIBIM / v.11, no.1, 2021 , pp. 21-30 More about this Journal
Abstract
Reinforcing bars, a major component of the pre-fab structure, adheres to the existing on-site assembly method and attempts to develop and commercialize the technology of the pre-assembly method, but the effect is insignificant. Welded Wire / Bar Mat (WBM) has various advantages such as commercialization of rebar through machine manufacturing to improve workability, but it is different from the existing design and the construction method is different from the previous one. Therefore, to maximize the advantages of WBM and improve productivity, manufacturing, transportation, and construction from the design stage should be considered based on BIM from the initial design stage. In this paper, the concept of the design support system for the WBM was established based on the use of BIM in concrete reinforcement and the preliminary research on the WBM. WBM conversion design was performed for the existing prefabricated members, and based on this, the exchange format and system of the master prefabricated model with the WBM design data were set up. As a result of the pilot test, it was found that the traditional reinforcing bar information extracted from the master prefab model has transmitted 100% accurately. As for the WBM information, 100% of the information on the straight reinforcement was transmitted and represented, and the information on the bent reinforcement was found to have a 90% recall in the master BIM tool.
Keywords
Welded Wire/Bar Mat; Off-site Construction; Data Format; BIM;
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