Abstract
A mathematical model for analyzing the parameters of the technical condition of construction objects is developed, on the basis of which, taking into account the wear and tear of damages and defects, the reliability (safety) of the load-bearing structures examined in the process of monitoring was assessed by categories of their serviceability (serviceable, limited serviceable, pre-disaster). On the basis of the calculated initial probabilities of failure-free operation (FRO) at each of the three stages of the technical state on the basis of graph theory the matrices of transient probabilities at different terms of operation of buildings are calculated. This, in turn, allows us to calculate the corresponding reliability indicators: wear rate, mean time to first failure, etc. Based on the processing of statistical data of floor slab inspection, a graph of the dependence of the FRO on the building operation time was obtained, on the basis of which the forecast of the service life (resource) of the studied structures was realized
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