Abstract
Currently, large fuel and energy companies are conducting intensive development of the Arctic territories of the Russian Federation by commissioning new capital construction facilities. At the same time, new formulations of modified concrete with improved performance properties are used. However, in extreme construction conditions, defects and damages can form, which affect the durability of structures. The paper presents the results of probabilistic modeling of the failure-free operation of reinforced concrete according to the criterion of the impact of carbon dioxide on concrete for the conditions of the new shift settlement Sabetta. Concretes with a water-cement ratio of 0.35 and 0.5 on slag-Portland cement were taken as calculated values. The results showed that without defects and damage, the period of normal operation generally corresponds to the design value of 50 and 100 years. If there are defects, the first local areas will appear in 40 years. Recommendations on repair of the considered defects and damages are given.
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