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Development of BIM based LID Facilities Supply Auto-checking Module

BIM 기반 LID 시설 물량 자동 검토 모듈 개발

  • Received : 2017.01.31
  • Accepted : 2017.06.19
  • Published : 2017.06.30

Abstract

Recently, Discussion about BIM based LID (Low Impact Development) facilities management system is activated because interest of LID technique for urban water cycle restoration is increasing. For this reason, this paper developed the auto-checking module of the BIM (Building Information Model) based supply output table. This module will be the foundation of the BIM based LID facilities total management system. The research order is composed like next follows: (1) Select target area, (2) Make BIM model of LID facilities and extract supply output table, (3) Develop comparison module, (4) Analysis results. As a result, the authors made 27 LID facilities and developed the supply output table comparison automation module. So, the authors could find differences of 2D design documents based supply output table and BIm based supply output table. So, the authors made an improvement suggestion of the design plan and could construct foundation of the BIM based LID facilities total management system.

최근 도시물순환 회복을 위한 저영향개발(LID) 기법 적용에 대한 관심이 증가함에 따라, LID 계획 설계 및 시공, 유지관리 등에 활용할 수 있는 건축정보모델(BIM)에 대한 관심이 증가하고 있다. 이에 따라 본 논문에서는 LID 기법의 계획 및 설계공정 단계에서 BIM의 적용가능성과 활용방안을 검토하고자 2D기반의 설계도서를 통해 산출된 LID 시설물의 물량과 BIM 모델링에서 산출된 LID 시설물의 물량을 자동으로 비교하는 모듈을 개발하여 2D기반 산출물량과 비교검토하였다. BIM 기반 LID 시설물량 자동검토 모듈을 개발하기 위해서 연구대상지를 선정하고, BIM 모델링을 통해 물량산출표를 추출하였다. 추출된 물량산출표를 2D 기반의 물량산출표와 비교하기 위한 알고리듬을 작성하고, 작성된 알고리듬을 프로그램화해 산출된 물량의 비교 검토를 실시하였다. 대상지에 적용된 LID 시설물의 모델링을 완료하고, LID 시설물량 자동검토 모듈을 이용해 2D 기반 설계도서의 물량산출표와 BIM기반 물량산출표의 비교 검토를 실시하여, 좀 더 정확한 물량산출을 진행하였다. 또한 산출된 결과 중 재료의 물량 오차율이 ${\pm}30%$를 벗어나는 시설물들의 오차발생 원인을 분석하여 LID 시설물량 자동검토 모듈의 정확도를 검토하였다. LID 시설물량 자동검토 모듈을 통해, 설계도서를 기반으로 한 물량 산출과정에서 발생할 수 있는 오류들을 조기에 발견하고 수정할 수 있을 것으로 보이며, BIM 기반 LID 시설물 종합 관리 시스템 구축의 기반을 마련할 수 있을 것으로 판단된다.

Keywords

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