Perspectives and specific features of the use of composite materials for strengthening of damaged reinforced concrete structures

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dc.citation.epage34
dc.citation.issue2
dc.citation.spage27
dc.contributor.affiliationНаціональний університет “Львівська політехніка”
dc.contributor.affiliationLviv Polytechnic National University
dc.contributor.authorКопійка, Н. С.
dc.contributor.authorБліхарський, Я. З.
dc.contributor.authorKopiika, N.
dc.contributor.authorBlikharskyy, Ya.
dc.coverage.placenameЛьвів
dc.coverage.placenameLviv
dc.date.accessioned2024-05-29T11:44:05Z
dc.date.available2024-05-29T11:44:05Z
dc.date.created2023-02-28
dc.date.issued2023-02-28
dc.description.abstractЗалізобетонні конструкції поширені у будівлях і спорудах, що перебувають в експлуатації протягом тривалого часу, тому проблема їх ефективного підсилення набуває актуальності. Композиційні матеріали завдяки високим механічним і фізичним властивостям, можливості адаптації до проєктних вимог і полегшенню самого процесу підсилення широко використовують для реконструкції. У статті комплексно розглянуто методи підсилення із застосуванням фіброармованих полімерних матеріалів та особливостей їх поведінки за різних впливів. Дослідження охоплює аналіз публікацій у цій галузі, визначення недостатньо розглянутих напрямів та перспективи подальших досліджень. На основі аналізу літературних джерел виділено найактуальніші напрями, зокрема числове моделювання методами скінченних елементів для параметричного аналізу, поглиблення розуміння лінійно-пружної поведінки композитів, комплексні експериментально-теоретичні дослідження для крос-валідації та уточнення результатів. Важливо також відзначити значний інтерес до підходів, спрямованих на запобігання граничному стану через порушення сумісної роботи залізобетонної конструкції та композитних матеріалів завдяки застосуванню різних способів анкерування. В статті проаналізовано загальні тенденції в галузі підсилення залізобетонних конструкцій композитними матеріалами, визначено перспективні напрями для подальшого вивчення цього питання, зокрема розроблення та вдосконалення числових моделей, які автоматично виконуватимуть параметричний аналіз і враховуватимуть вимоги стійкості, стійкості та міцності. Подальші ретельні експериментальні й теоретичні дослідження систем підсилення із застосуванням фіброармованих полімерів надзвичайно важливі для поглиблення знань і максимізації ефективності використання композитних систем зміцнення.
dc.description.abstractThe need for strengthening of existing structures has recently become topical. Composite materials due to their remarkable properties, possibility to adaptation to the design requirements and facilitation of restoration measures are widely used for strengthening. This article is focused on review of restoration approaches with the use of composite materials and specific features of their behavior under various impacts. Study includes analysis of recent studies in the area, identifying gaps of knowledge and perspectives for further research. The most relevant areas of research were distinguished including numerical finite element modelling for parametric analysis, deepening of understanding of composites` linearly elastic behavior, approaches to prevent delamination failure. Further thorough research in this area is strongly recommended to deepen the knowledge and maximize the efficiency of use of composite strengthening systems.
dc.format.extent27-34
dc.format.pages8
dc.identifier.citationKopiika N. Perspectives and specific features of the use of composite materials for strengthening of damaged reinforced concrete structures / N. Kopiika, Ya. Blikharskyy // Theory and Building Practice. — Lviv : Lviv Politechnic Publishing House, 2023. — Vol 5. — No 2. — P. 27–34.
dc.identifier.citationenKopiika N. Perspectives and specific features of the use of composite materials for strengthening of damaged reinforced concrete structures / N. Kopiika, Ya. Blikharskyy // Theory and Building Practice. — Lviv : Lviv Politechnic Publishing House, 2023. — Vol 5. — No 2. — P. 27–34.
dc.identifier.doidoi.org/10.23939/jtbp2023.02.027
dc.identifier.urihttps://ena.lpnu.ua/handle/ntb/62182
dc.language.isoen
dc.publisherВидавництво Львівської політехніки
dc.publisherLviv Politechnic Publishing House
dc.relation.ispartofTheory and Building Practice, 2 (5), 2023
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dc.relation.referencesenCastillo del Rey E., Kanitkar R., Smith S. T., Griffith M. C., Ingham J. M. (2019). Design approach for FRP spike anchors in FRP-strengthened RC structures. Composite Structures, 214, 23-33. doi: 10.1016/j.compstruct.2019.01.100 https://doi.org/10.1016/j.compstruct.2019.01.100
dc.relation.referencesenChen W., Pham T. M., Sichembe H., Chen L., Hao H. (2018) Experimental study of flexural behaviour of RC beams strengthened by longitudinal and U-shaped basalt FRP sheet. Composites Part B, 134, 114e126. doi: 10.1016/j.compositesb.2017.09.053 https://doi.org/10.1016/j.compositesb.2017.09.053
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dc.rights.holder© Національний університет “Львівська політехніка”, 2023
dc.rights.holder© Kopiika N., Blikharskyy Y., 2023
dc.subjectзалізобетонні конструкції
dc.subjectкомпозитні матеріали
dc.subjectпідсилення
dc.subjectпошкодження
dc.subjectефективність
dc.subjectнесуча здатність
dc.subjectRC structures
dc.subjectcomposite materials
dc.subjectstrengthening
dc.subjectdamages
dc.subjectefficiency
dc.subjectloadbearing capacity
dc.titlePerspectives and specific features of the use of composite materials for strengthening of damaged reinforced concrete structures
dc.title.alternativeПерспективи та особливості використання композитних матеріалів для підсилення пошкоджених залізобетонних конструкцій
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Theory and Building Practice. – 2023. – Vol. 5, No. 2