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The use of a concrete mixture based on microsilica and boron carbide for the erection of monolithic structures exposed to fire

UDK: 699.812

D.I. Voloshin, V.I. Yamov

As the result of the fires there can be partial or total destruction of the monolithic constructions. The general state of the construction, the ability of its further exploitation and the method of its strengthening can be estimated due to the temperature in the hotbed of the fire that influences concrete constructions. Monolithic constructions made of common concrete mixture are not able to be used after the influence of the temperature more than 700 º degrees because of the concrete strength reduction from the heating.  The concrete mixture with boron carbide and silica fume gives the opportunity to build monolithic constructions that can be used in case of fires. Technical result of this mixture usage is the increasing of the fire resistance of the ferroconcrete constructions even in the situation of changing building cost.

Файл: Ямов.pdf, 4 pag.

Рубрика: Строительные материалы и технологии их производства
Выпуск №8: По материалам IX Всероссийской молодежной конференции аспирантов, молодых ученых и студентов «СОВРЕМЕННЫЕ ТЕХНОЛОГИИ В СТРОИТЕЛЬСТВЕ. ТЕОРИЯ И ПРАКТИКА», (Часть I ,июнь, 2017)