Tunnel and Underground Space (터널과지하공간)

Korean Society for Rock Mechanics and Rock Engineering (한국암반공학회)
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Development and Application of Tunnel Design Automation Technology Using 3D Spatial Information : BIM-Based Design for Namhae Seomyeon - Yeosu Shindeok National Highway Construction

3D 공간정보를 활용한 터널 설계 자동화 기술 개발 및 적용 사례 : 남해 서면-여수 신덕 국도 건설공사 BIM기반 설계를 중심으로

  • Eunji Jo (Smart – Eng. Team, Civil Business Division, DL E&C, Co., Ltd.) ;
  • Woojin Kim (Overseas Biz. Team2, Civil Business Division, DL E&C, Co., Ltd.) ;
  • Kwangyeom Kim (Dept. of Energy & Resources Engineering, Korea Maritime & Ocean University) ;
  • Jaeho Jung (Smart – Eng. Team, Civil Business Division, DL E&C, Co., Ltd.) ;
  • Sanghyuk Bang (Smart – Eng. Team, Civil Business Division, DL E&C, Co., Ltd.)
  • 조은지 (DL이앤씨(주) 토목스마트엔지니어링팀) ;
  • 김우진 (DL이앤씨(주) 토목해외사업2팀) ;
  • 김광염 (한국해양대학교 에너지자원공학화) ;
  • 정재호 (DL이앤씨(주) 토목스마트엔지니어링팀) ;
  • 방상혁 (DL이앤씨(주) 토목스마트엔지니어링팀)
  • Received : 2023.08.11
  • Accepted : 2023.08.22
  • Published : 2023.08.31
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Abstract

The government continues to announce measures to revitalize smart construction technology based on BIM for productivity innovation in the construction industry. In the design phase, the goal is design automation and optimization by converging BIM Data and other advanced technologies. Accordingly, in the basic design of the Namhae Seomyeon-Yeosu Sindeok National Road Construction Project, a domestic undersea tunnel project, BIM-based design was carried out by developing tunnel design automation technology using 3D spatial information according to the tunnel design process. In order to derive the optimal alignment, more than 10,000 alignment cases were generated in 36hr using the generative design technique and a quantitative evaluation of the objective functions defined by the designer was performed. AI-based ground classification and 3D Geo Model were established to evaluate the economic feasibility and stability of the optimal alignment. AI-based ground classification has improved its precision by performing about 30 types of ground classification per borehole, and in the case of the 3D Geo Model, its utilization can be expected in that it can accumulate ground data added during construction. In the case of 3D blasting design, the optimal charge weight was derived in 5 minutes by reviewing all security objects on the project range on Dynamo, and the design result was visualized in 3D space for intuitive and convenient construction management so that it could be used directly during construction.

정부는 건설산업의 생산성 혁신을 위해 BIM 기반 스마트 건설기술 활성화방안을 지속적으로 발표하고 있다. 설계단계에서는 BIM 데이터와 다른 첨단기술을 융합하여 설계 자동화와 최적화 수행을 목표로 한다. 국내 해저터널 사업인 남해 서면-여수 신덕 국도 건설공사 기본설계에서는 터널설계 프로세스에 따라 3D 공간정보를 이용한 터널설계 자동화 기술을 개발하여 BIM 기반의 설계를 수행하였다. 터널의 선형설계에 제너레이티브 디자인 기법을 사용하여 만 여건 이상의 케이스를 36시간 내에 도출하고, 설계자가 정의한 목적함수의 정량적 평가를 수행하여 설계자가 요구하는 조건의 최적 선형을 도출했다. AI 기반의 지반분류와 3D Geo Model을 구축하여 최적 선형의 경제성 및 안정성을 평가하였다. AI 기반의 지반분류는 시추 코어 1공당 약 30종의 지반분류를 수행하여 그 정밀도를 향상시켰고, 3D Geo Model의 경우 시공 중 추가되는 지반 데이터를 누적할 수 있다는 점에서 그 활용도를 기대할 수 있다. 3D 발파설계의 경우 Dynamo 상에서 노선상의 모든 보안물건을 검토하여 최적 장약량을 5분 만에 도출하고, 직관적이고 편리한 시공관리를 위해 3D 공간상에 설계 결과를 시각화함으로서 시공 중에 직접 활용할 수 있도록 했다.

Keywords

References

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