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단지공사의 토공구획 계획 모델An Earthwork Districting Model for Large Construction Projects

Other Titles
An Earthwork Districting Model for Large Construction Projects
Authors
백현기강상혁서종원
Issue Date
Jun-2015
Publisher
대한토목학회
Keywords
Construction of complex; Haul route; Cut; Fill; Districting area; Simulated Annealing (SA); 단지조성; 토공사; 절토; 성토; 구획산출; Simulated Annealing
Citation
대한토목학회논문집(국문), v.35, no.3, pp 715 - 723
Pages
9
Indexed
KCI
Journal Title
대한토목학회논문집(국문)
Volume
35
Number
3
Start Page
715
End Page
723
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/156998
DOI
10.12652/Ksce.2015.35.3.0715
ISSN
1015-6348
2799-9629
Abstract
단지 조성을 위한 토공사는 대상 부지의 지형고를 계획고와 맞추기 위한 대규모 토량이동으로 이루어지는 공사로 전체 공사비에 20~30%를 차지하는 중요한 공정이다. 한편 토공사는 주로 적재-운반-하차-복귀의 단순 작업사이클로 구성되어 있어 계획의 품질은 공기와 비용에 매우 큰 영향을 끼친다. 본 연구에서는 대규모 단지 조성 공사에서 토공 운반거리를 최소화할 수 있는 토량구획 모델을 제시하였다. 본 모델은 구획 알고리즘과 simulated Annealing 알고리즘에 기반하고 있으며, 이러한 알고리즘은 국부해에 빠질 수 있는 현행 토공구획 방법을 개선하기 위하여 도입되었다. 제시된 모델의 적용성을 평가하기 위하여 실제 단지공사 토량이동도를 대상으로 시뮬레이션을 실시한 결과 약 14%의 개선효과를 확인하였다.
Earthwork in a large construction project such as a land development generally costs 20-30% of the total cost. The earthmoving process, comprising of four repetitive tasks: loading, hauling, unloading, returning, is quite simple and it does not need delicate or advanced techniques. Therefore, earthmoving earthwork planning can heavily affect the cost and time., and Even a slight deviation from the plan can increase or decrease the cost and time. This study presents a planning model that minimizes average haul distance in a large complex construction project. Based on earthwork planning, practitioners’ heuristics, a districting algorithm and Simulated Annealing algorithm were employed to build the model. Districting algorithm plays a role that divides in dividing an earthmoving area into several sections. Simulated annealing provides a function that decides whether a new generated solution is confident. Finally, the proposed model was applied to a real earthmoving project of a large land development. It was found that the model showed approximately 14% improvement in average hauling distance compared to the actual design plan.
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