한국건설관리학회논문집 (Korean Journal of Construction Engineering and Management)

  • 제21권1호
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  • Pages.78-86
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  • 2020
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  • 2005-6095(pISSN)
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  • 2465-9703(eISSN)
한국건설관리학회 (Korea Institute of Construction Engineering and Management)
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도저 정지작업 시 머신 가이던스 시스템 적용에 따른 토공성과 향상 사례분석

Performance Effectiveness Case Study of the Machine Guidance System for Dozer Eartwrok Grading Work

  • 문성우 (부산대학교 사회환경시스템공학과) ;
  • 김상태 (부산대학교 사회환경시스템공학과)
  • Moon, Sungwoo (Department of Civil and Environmental Engineering, Pusan National University) ;
  • Kim, Sangtae (Department of Civil and Environmental Engineering, Pusan National University)
  • 투고 : 2019.09.17
  • 심사 : 2019.12.04
  • 발행 : 2020.01.31
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초록

도저는 고가의 건설장비로서 건설토공현장 정지작업에서 커다란 영향을 가져온다. 이러한 중요성에 따라서 머신 가이던스 시스템이 도저에 적용되어 토공 정지작업의 성과를 올리기 위한 노력이 진행되고 있다. 머신 가이던스 시스템은 정지작업 시 장비기사에게 정지작업에 필요한 굴삭깊이, 경사각도 등 정보를 제공하며, 장비기사는 제공되는 정보를 이용하여 측량기사의 도움을 최소화 하면서 정지작업을 진행할 수 있다. 이와 같이 머신 가이던스 시스템은 장비기사가 계획도면 상의 계획고에 맞추어 정지작업을 수행할 수 있도록 돕는 기능을 제공한다. 본 논문의 목적은 머신 가이던스 시스템이 기존 토공 정지작업과 비교하여 토공 정지작업에 가져오는 성과향상을 분석하는 것이다. 성과분석은 1) 생산성과 2) 정확도 2가지 관점에서 수행됐다. 여기서 생산성은 단위시간에 도출되는 작업량을 나타내며, 정확도는 계획도면에서 요구하는 계획고에서 벗어나는 정도를 나타낸다. 본 연구목적을 달성하기 위해 도저 머신 가이던스 시스템을 테스트 현장에 적용했으며, 적용결과 머신 가이던스 시스템이 전통적인 방법과 비교하여 생산성의 경우 46.59%, 정확도의 경우 46.96%만큼 증가되는 성과향상을 확인할 수 있었다.

Dozer is an expensive construction equipment and has a significant performance impact on earthwork performance. A machine guidance system has been applied to dozer equipment as a solution that can improve the performance. The system can provide earthwork-related information to equipment operators so that earthworks can be carried out with minimum support from surveyors. Construction Equipment Machine guidance has the function of supporting earthwork according to an earthwork plan by providing excavation-related information to machine operators. The objective of this study is to evaluate the performance improvement of a machine guidance system for an dozer earthwork operation, and to compare the machine guidance method with the traditional method. The performance has been evaluated in two folds: 1) productivity and 2) accuracy. The productivity shows the quantity of earthwork for a given unit time. The accuracy shows the deviation of grading level from the designed level on the construction drawing for earthwork. The machine guidance system has been applied to a testing bed in a construction site. Data comparison analysis showed that the earth earthwork had 46.59% improvement in productivity as well as 46.96% improvement in accuracy, and is expected to provide a tool for applying smart constrction to the earthwork operation.

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