Journal of the Computational Structural Engineering Institute of Korea (한국전산구조공학회논문집)

Computational Structural Engineering Institute of Korea (한국전산구조공학회)
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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
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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.

본 연구는 BIM 도입 효과를 극대화할 수 있는 현장 적용성 확보에 중점을 둔 철근콘크리트 골조공사의 BIM 견적모델 작성과 BIM기반 견적 업무 프로세스를 표준화한 가이드라인을 제시하는 것을 목적으로 한다. 이를 위하여 기존 지침 및 가이드라인의 BIM 견적모델 작성 범위 및 방식을 고찰하고, 철근콘크리트공사 수량산출 견적 지침 및 기준을 분석하며, 기존 견적 방식과 BIM기반 견적 방식에 대해 비교분석한다. 이를 통하여 BIM기반 견적 업무의 표준 프로세스를 수립하고, 콘크리트/거푸집/철근 견적모델의 작성 및 수량산출 기준을 도출하며, 철근콘크리트공사 BIM기반 수량산출 및 견적 업무의 성과물 목록 및 양식을 제시한다. 본 연구를 통해 작성된 BIM 견적 가이드라인은 BIM기반의 새로운 기술환경에 대한 진입장벽을 낮추고, 견적의 정확성 극대화를 통한 원가절감을 실현하며, BIM 업무와 건설산업의 생산성과 부가가치를 증대시켜, 궁극적으로 건설사업 전 생애주기에서 생산되는 정보를 통합 관리할 수 있는 기반을 구축하고 BIM 생태계를 조성하는데 기여할 것으로 기대한다.

Keywords

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