Daurov M. Multi-story buildings steel frames operation in the fire with vitality increasing

The dissertation is aimed at increasing the structural safety of multi-story buildings by increasing the vitality of their bearing structures during the rapid development of buildings as systems and warfare hazards on the Ukraine territory. According to the results of the performed reviews, analyses, and finite element research: - in domestic and foreign normative documents, it is established that there are no recommendations or techniques for calculating the multi-story buildings' steel frames (MBSF) for vitality in the fire, and the measures considered so far in scientific research need more detailed research and improvement; - determined the most unfavorable fire source location in the MBSF; - the collapse mechanisms of MBSF during a fire, which are most extended in time, are determined; - various measures of MBSF vitality in the fire increase have been established; - in the development of the provisions of normative documents and standards on the steel structures' reliability and vitality, the MBSF vitality in the fire-increasing technique was developed. From the philosophy of science view point in the modern world, scientific and technical progress is taking place at an increasingly rapid pace. Humanity creates complex systems to meet its own needs, such as creating an environment for comfortable living and various types of life activities. But as the complexity of these systems increases, so does their sensitivity to unpredictable threats of various nature. Scientific research in the field of building design should be aimed at increasing the safety of human activities, structural safety, environmental friendliness, and energy efficiency.