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BIM-Based Quantity Takeoff and Cost Estimation Guidelines for Reinforced Concrete Structures

철근콘크리트골조 BIM기반 수량산출 및 견적 가이드라인 수립

  • Joo, Seon U (Department of Architectural Engineering, DanKook University) ;
  • Kim, Chee-Kyeong (Department of Architectural Engineering, DanKook University) ;
  • Kim, Si-Uk (Department of Architectural Engineering, DanKook University) ;
  • Noh, Jun-Oh (Housing Welfare Division, Korea Land & Housing Corporation)
  • 주선우 (단국대학교 건축대학 건축공학과) ;
  • 김치경 (단국대학교 건축대학 건축공학과) ;
  • 김시욱 (단국대학교 건축대학 건축공학과) ;
  • 노준오 (한국토지주택공사 주택원가관리처)
  • Received : 2017.11.28
  • Accepted : 2017.12.04
  • Published : 2017.12.29

Abstract

The object of this research is an establishment of BIM-based quantity takeoff(QTO) and cost estimation guidelines for reinforcement concrete structures focused on improvement of field applicability in transition period from 2D drawing-based environment to 3D BIM-based environment. Preliminary studies on existing guidelines and standards for BIM modeling, QTO and cost estimation of reinforcement concrete structures are performed, and then a standardization of BIM-based cost estimation process is proposed through comparative analysis between 2D drawing-based cost estimation process and 3D BIM-based. In addition, modeling, QTO, and cost estimation processes of cost-BIM model for RC structures are conducted. The contributions of this research and the guidelines suggested by this research are 1) lowering barriers to entity to the new BIM-based environment for small size companies, 2) reducing construction cost by a close estimate, 3) establishing the foundation for integrated management of informations through construction project life cycle, 4) and ultimately, developing the BIM ecosystems.

Acknowledgement

Supported by : 국토교통부

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