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Information × Registration Number 0223U001528, 0121U109414 , R & D reports Title Improving of calculating method for reinforced concrete structures integrity precast under fire condition popup.stage_title Head Pozdieiev Serhii V., д.т.н. Registration Date 30-01-2023 Organization Cherkasy Fire Safety Institute named after Heroes of Chernobyl, National University of Civil Protection of Ukraine popup.description2  The purpose of this work is to create on methodological and scientific grounds for predicting the crushes and through holes appearance in hedged reinforced concrete structures as the result of fire heat influence. The object of research is the processes of heat in the hedged reinforced concrete structures and the parameters of the stress-strain state of such structures considering the crushes and through holes appearance. The subject of research is precision methods of the class of fire resistance estimation with limit state of entirety loss for the hedged reinforced concrete structures on the base of the general theoretical approach with use finite element method. During the reporting period, computer experiments were conducted on the formation and development of cracks according to the theories of Drucker-Prager and William-Warnke in reinforced concrete structures under the thermal influence of fire; an analysis of the stress-strain state of reinforced concrete structures during a fire was carried out; development of an improved methodology for determining the onset of the limit state of fire resistance, in relation to the loss of integrity of reinforced concrete structures. Product Description popup.authors Berezovskyi Andrii I Zmaha Mykola I Nekora Olga Valeryevna Rudeshko Iryna V Sidnei Stanislav Оleksandrovych Troshkin Serhii Fedchenko Svitlana M popup.nrat_date 2023-01-30 Close