한국건설관리학회논문집 (Korean Journal of Construction Engineering and Management)

  • 제24권5호
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  • Pages.22-34
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  • 2023
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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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인공신경망 기반의 공공청사 공사비 예산 예측모델 개발 연구

A Study on the Development of Construction Budget Estimating Model for Public Office Buildings based on Artificial Neural Network

  • 투고 : 2023.05.29
  • 심사 : 2023.08.30
  • 발행 : 2023.09.30
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초록

건설사업의 사업초기단계에 산정되는 공사비 예산을 적절히 예측하는 것은 발주자의 올바른 의사결정을 지원하고 건설사업의 목표를 달성하기 위해 매우 중요한 현안이다. 이는 공공 건설사업의 경우에서도 마찬가지이다. 그러나 현재 공공 건설사업의 사업초기단계에서 수행되는 공사비 예산의 예측방식은 정확성 및 신뢰성 관점에서 정교하지 못해 이에 대한 개선의 필요성이 제기되고 있다. 본 연구의 목적은 인공신경망을 활용하여 공공청사 프로젝트 사업초기단계에서 활용할 수 있는 공사비 예산 예측모델을 개발하는데 있다. 본 연구에서는 조달청에서 제공하는 데이터와 SPSS Statistics 프로그램을 활용하여 인공신경망 모델을 구축하였으며, 공사비 예산 예측의 수준을 분석하고 추가 검증을 통해 모델의 정확성을 검증하였다. 검증 결과, 개발된 인공신경망 모델은 사업초기 단계에서 활용할 수 있는 견적의 오차범위를 보여주었으며 이를 통해 다양한 프로젝트 조건(변수)을 활용하여 보다 정교하게 공사비 예산을 예측할 수 있는 가능성을 시사하였다.

Predicting accurately the construction cost budget in the early stages of construction projects is crucial to support the client's decision-making and achieve the objectives of the construction project. This holds true for public construction projects as well. However, the current methods for predicting construction cost budgets in the early stages of public construction projects are not sophisticated enough in terms of accuracy and reliability, indicating a need for improvement. The objective of this study is to develop a construction cost budget prediction model that can be utilized in the early stages of public building projects using an artificial neural network (ANN). In this study, an artificial neural network model was developed using the SPSS Statistics program and the data provided by the Public Procurement Service. The level of construction cost budget prediction was analyzed, and the accuracy of the model was validated through additional testing. The validation results demonstrated that the developed artificial neural network model exhibited an error range for estimates that can be utilized in the early stages of projects, indicating the potential to predict construction cost budgets more accurately by incorporating various project conditions.

키워드

과제정보

이 성과는 정부(과학기술정보통신부)의 재원으로 한국연구재단의 지원을 받아 수행된 연구임 (No. 2022R1F1A1064006).

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