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Результаты экспериментальных исследований облегченных монолитных плит перекрытий с комбинированным армированием

Authors: Ivashenko, Yu.A.; Sharifov, A.Kh.;

Результаты экспериментальных исследований облегченных монолитных плит перекрытий с комбинированным армированием

Abstract

Ивашенко Юлий Алексеевич, доктор технических наук, профессор кафедры «Строительные конструкции и сооружения», Южно-Уральский государственный университет (Челябинск), ivashenkoia@susu.ru Шарифов Абубакр Хайдарович, аспирант кафедры «Строительные конструкции и сооружения», Южно-Уральский государственный университет (Челябинск), sharifov.a.h@mail.ru. Yu.A. Ivashenko, ivashenkoia@susu.ru A.Kh. Sharifov, sharifov.a.h@mail.ru South Ural State University, Chelyabinsk, Russian Federation Новейшие технологии затронули все аспекты человеческой деятельности, а также современное строительство. Если раньше строительство велось с большими экономическими и трудовыми затратами, то сейчас в современном строительстве эти затраты во много раз сократились. Одной из новейших технологий в современном строительстве является облегченное монолитное перекрытие, которое значительно уменьшает расход материалов. Поэтому данная статья посвящена исследованию облегченных монолитных плит перекрытий и покрытий со стальным и комбинированным армированием при действии равномерно распределенной нагрузки. Всего исследовалось три серии образцов. Первый образец для сравнения с другими образцами армирован полностью стальной арматурой различного диаметра. Для второго и третьего образца использована стеклопластиковая арматура. Получены результаты исследования облегченных монолитных плит, армированных металлической и стеклопластиковой арматурой. Получены экспериментальные зависимости изменения прогиба, относительного удлинения и укорочения в пролетных сечениях, момент появления, ширина раскрытия трещин облегченной плиты от приложенной нагрузки на этапах нагружения. Приводятся напряжения в пролетном участке растянутой зоны плиты и напряжения в сжатой поверхности плиты при разрушении конструкции. The cutting-edge technologies have touched upon all aspects of human activity, as well as modern construction. If earlier the construction process meant great economic and labor costs, now modern construction reduces these costs by many times. One of the state-of-the-art technologies in modern construction is lightweight monolithic floor slab, which significantly reduces the consumption of materials. That is why this article examines the lightweight monolithic floor slabs and coatings with steel and combined reinforcement under the uniformly distributed load. In total, three series of samples have been investigated. The first sample, for comparison with other samples, has been fully reinforced with various-diameter steel bars. For the second and third samples, fiberglass reinforcement has been used. Within the course of the research the results of studying the lightweight monolithic slabs fitted with metal and fiberglass reinforcement have been obtained. Experimental dependences have been obtained for the deflection change, elongation and shortening in the span sections, the moment of occurrence, the cracking moment and crack width in the lightweight slab on the applied load at the loading steps. The stress in the span of the tension region of the slab, and the stress in the compressed surface of the slab during the failure of structure are given.

Keywords

УДК 691.8 - 411, железобетонная конструкция, composite reinforcement, reinforcedconcrete structure, комбинированное армирование, combined reinforcement, deformation, УДК 691.328.2, облегченная плита, композитная арматура, деформация, lightweight slab

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green