Pearson Criterion for Assessing the Number of Information Parameters for a Digital Passport

Introduction. The present-day construction market in Russia is rapidly developing, especially the life cycle managing technologies of buildings and structures. Building information modeling technologies are used in the large-scale national projects throughout the country, which fosters implementation of the new approaches and methods to developing the information models. Information growth and development rates undoubtedly affect the quality of the implemented projects, especially in terms of parameterization and classification of the original data, which in turn contributes to the emergence of the new and revision of the old approaches to handling the information parameters. The use of building information modeling in modern design requires revision of the approaches to the analysis of the original data and the results of work throughout a life cycle of a capital construction facility. This directly induces a need to process a large amount of information, especially at the initial stages of project development. The aim of the present research is to identify dependencies among the information parameters, and determine the distribution of a random variable using the Pearson criterion. The technologies are developing worldwide fostering implementation of the new approaches and design methods in the construction industry. Furthermore, due to the Russian Federation Government Regulation No. 1431 of September 15, 2020, which directly binds to use the software packages for three-dimensional design, there arises a need to have the normative regulation not only for the three-dimensional models, but also for the information parameters under-lying these models.

Materials and Methods. The research presents the theoretical and practical results obtained during implementation of a BIM-based project of a facility located at VDNKh in Moscow (the Pavilion No. 34 “Kosmos” (Space)) on using the Pearson criterion for assessing the number of information parameters for subsequent use in a digital passport.

Results. The mathematical calculations of the generalised data obtained within the research allow the authors to confirm the hypothesis of the uniform distribution of a random variable, which makes it possible to predict the future results and integrate them into the future objects of capital construction planned to be built with the use of building information modeling for maximizing efficiency of this technology in the future.

Discussion and Conclusion. The obtained values allow us to conclude that the distribution function of a random variable in uniform distribution can be used to approximate the empirical distribution under study. The calculation results allow the authors to make an assumption about full appropriateness of the uniform distribution law application for assessing the number of information parameters required for a digital passport.

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