The RS-CBR Model for Estimating Safety Construction Cost of Engineering Projects
Publication: ICCREM 2022
ABSTRACT
In order to estimate the safety construction cost of engineering project scientifically and reasonably, an estimation method based on rough set (RS)-case-based reasoning (CBR) model was developed. Firstly, the safety construction cost influence factors are analyzed according to literature research and construction site investigation. Secondly, the rough set attribute reduction algorithm was used to determine the main influencing factors, and then case-based reasoning method was utilized to establish the safety construction cost estimation model. Lastly, the empirical analysis was conducted on the relevant data of some construction projects. The calculation results showed that the deviation between the safety construction cost calculated by the model established in this paper and the actual cost is less than the commonly rate calculation method. The conclusion can be drawn that the established model can maintain good accuracy during the initial stage of the project while it only can provide limited information.
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ICCREM 2022
Pages: 750 - 758
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Published online: Dec 15, 2022
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