Abstract
Building intelligence has become a new requirement for the development of the construction industry in the Internet era, and the use of traditional engineering cost models for complex and huge construction projects will produce results with large data errors and inaccurate calculation results. Based on this, this paper analyzes the application status of BIM technology in engineering cost management at home and abroad, summarizes the advantages of BIM technology in the process of large-scale project cost, based on this, this paper improves the traditional construction project cost model, uses the principal component analysis method to establish a large-scale construction project valuation model, gradually reduces the external interference factors, reasonably quantifies the measurement standards, and constructs a large-scale building cost estimation model system centered on BIM. By comparing with the actual data, the experimental results show that the model is more accurate in the estimation of the project cost of large-scale projects, and the new model has certain practical significance for the study of the engineering cost of large-scale construction projects.
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