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Information × Registration Number 0225U001678, (0123U101831) , R & D reports Title Technological bases of creating especially fast-hardening nanomodified alkaline portland cements and concrete mixtures for emergency restoration of concrete structures popup.stage_title Розробка ефективних засобів регулювання власними деформаціями наномодифікованих лужних портландцементів Head Kryvenko Pavlo V., д.т.н. Registration Date 04-02-2025 Organization Kyiv National University of Construction and Architecture popup.description1 The purpose of the work is to create new scientific knowledge regarding the development of applied and technological solutions for obtaining super-quick-hardening concretes and mortars based on alkaline nanomodified Portland cement. popup.description2  The object of research is the processes of structure formation of nanomodified alkaline Portland cements with controlled self-deformations. The subject of research is especially fast-hardening nanomodified alkaline Portland cements with controlled self-deformations and materials based on them for emergency restoration and reinforcement of concrete structures. The purpose of the work is to create new scientific knowledge on the development of effective means of regulating the self-deformations of nanomodified alkaline Portland cements. Research methods are physicochemical methods (differential thermal analysis, electron microscopy), physicomechanical methods for determining technological (consistency, shelf life) and operational properties of solutions (flexural and compressive strength, adhesion strength to the base, pullout strength, shrinkage deformations, frost resistance). The influence of organic and inorganic substances on the structure formation of nanomodified alkaline Portland cements with the provision of controlled natural deformations at a high rate of strength gain has been studied. A comprehensive approach to regulating the natural deformations of the cement matrix of nanomodified alkaline Portland cements has been proposed. Compositions of building solutions based on nanomodified alkaline Portland cements have been developed, intended for emergency restoration of concrete structures, using complexes of modifying additives of optimized composition. Product Description popup.authors Bilan Yaroslav V. Bondarenko Serhii V. Helevera Oleksandr H. Husiev Oleksii M. Kovalchuk Artem V. Konstantynovskyi Oleksandr P. Kryvenko Pavlo V. Rudenko Ihor I. Smeshko Volodymyr V. Chekhovska Alla V. Chekhovskyi Oleksandr V. popup.nrat_date 2025-02-04 Close