Journal of KIBIM (한국BIM학회 논문집)

Korean Institute of Building Information Modeling (한국BIM학회)
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BIM based Data Exchange System of Welded Wire/bar Mat for Pre-fab RC Members

BIM 기반 프리패브 부재의 용접철근매트 정보교환 시스템

  • 정재환 (성균관대학교 미래도시융합공학과) ;
  • 김도형 (다스코(주) 기술연구소) ;
  • 김현기 (다스코(주) 기술연구소)
  • Received : 2021.03.23
  • Accepted : 2021.03.26
  • Published : 2021.03.31
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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

Acknowledgement

본 연구는 국토교통부/국토교통과학기술진흥원이 시행하고 한국도로공사가 총괄하는 "스마트건설기술개발 국가R&D사업(과제번호 20SMIP-A158708-01)"의 지원으로 수행되었습니다.

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