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- W2370056072 abstract "Whether the prime cost of a project is estimated accurately or not in the feasibility study stage plays a decisive role in cost control of the whole project.By the present cost estimation method,the railway project to be construced is resolved into parts and items and the similarity of the parts and items are judged by men;the cost of the parts and items with points of similarity is estimated on the basis of the quota indices or the linear relationship model of the similar engineering data;the cost of the parts and items without points of similarity is deduced by comparison and integration with reference to similar projects and expert experience.Large amount of work is involved and the estimation results in possible errors and unstable reliability.Based on the CS(cost-significant) and WLC(whole life cost)theory,the CSIs(cost-significant items)model is set up in this paper to estimate the WLC.When a newly-built railway project has no similar engineering projects,its CSIs are dealt with by fuzzy clustering(FC) and divided into CSIs with similarity and CSIs without similarity.The cost of the former can be forecasted by FC.The cost of the latter and the CSF data can be estimated with the fuzzy inference system(FIS),thus taking full advantage of expert experience.The workload and procedure of calculation are simplified and the accuracy of estimation is improved.The comprehensive cost estimation method by CSIs,FIS,WLC and FC is suitable for high-tech projects which use new construction techniques methods,have a small quantity of samples and lack similar engineering projects." @default.
- W2370056072 created "2016-06-24" @default.
- W2370056072 creator A5090577591 @default.
- W2370056072 date "2008-01-01" @default.
- W2370056072 modified "2023-09-23" @default.
- W2370056072 title "Study on Comprehensive Cost Estimation Method Based on CSIs,FIS,WLS and FC" @default.
- W2370056072 hasPublicationYear "2008" @default.
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