%0 Journal Article %T ASSESSMENT OF THE RELIABILITY LEVEL OF STRENGTHENING OPTIONS FOR BUILDING STEEL STRUCTURES USING THE MATHEMATICAL MODEL OF THEIR UNINTERRUPTED OPERATION %A Abakumov, R.G. %A Al-Sabaeei, A.K. %K assessment of the level of reliability, strengthening of building metal structures, mathematical model of probability, uninterrupted operation, constructive safety %J Bulletin of Belgorod State Technological University named after. V. G. Shukhov %D 2021 %N 6 %P 6 %I Belgorod State Technological University named after V.G. Shukhov