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Fast-Hardening Slag-Alkaline Heat-Resistant Aerated Concrete of Increased Heat Resistance with Additives of Fly Ash of Novocherkassk SDPP

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Modern Problems in Construction

Part of the book series: Lecture Notes in Civil Engineering ((LNCE,volume 287))

Abstract

One suggests technology for the production of quick-hardening, heat-resistant aerated concrete with an application temperature of up to 600 °C. To improve the strength and heat resistance of aerated concrete, liquid glass was used as a binder and—Cherepovets granulated blast-furnace slag as a filler hardener. Increasing the reactivity of liquid glass and its plasticity was carried out by reducing the silicate modulus of liquid glass and introducing sodium hydroxide. The addition of fly ash up to 50% of the mass of the slag in the composition of aerated concrete allowed to reduce the cost of concrete and reduce its density while maintaining sufficient strength. To simplify the technological process, hydrogen peroxide was used as a gasifier instead of aluminum powder. As a result of the thermal reaction of the interaction of liquid glass, granulated blast-furnace slag, and hydrogen peroxide the aerated concrete is self-heating, bulking, and hardening. Such concrete allows not only to obtain casings and monolithic areas comparable in strength to autoclaved concrete but also to carry out repair and reconstruction work with thermal insulation. Aerated concrete can be made in a low-mechanized section and retain its properties in a humid environment when the furnace is not in operation.

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Author information

Authors and Affiliations

  1. Southwest State University, 50 let Oktyabrya Street 94, 305040, Kursk, Russia

    Sergey Emelianov & Alexey Bulgakov

  2. Technical University of Dresden, Mommsen St. 10, 01069, Dresden, Germany

    Jens Otto

  3. South-Russian State Polytechnic University, Prosveshcheniya Street 132, 346428, Novocherkassk, Russia

    Arsen Avakyan, Kirill Protsenko, Gennadiy Skibin & Alexander Mikheev

Authors
  1. Sergey Emelianov
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  2. Alexey Bulgakov
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  3. Jens Otto
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  4. Arsen Avakyan
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  5. Kirill Protsenko
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  6. Gennadiy Skibin
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  7. Alexander Mikheev
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Correspondence to Alexey Bulgakov .

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Editors and Affiliations

  1. Peter the Great St. Petersburg Polytechnic University, Saint-Petersburg, Russia

    Nikolai Vatin

  2. Faculty of Construction and Architecture, Southwest State University, Kursk, Russia

    Ekaterina Gennadyevna Pakhomova

  3. Faculty of Civil Engineering, University of Novi Sad, Subotica, Serbia

    Danijel Kukaras

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Emelianov, S. et al. (2023). Fast-Hardening Slag-Alkaline Heat-Resistant Aerated Concrete of Increased Heat Resistance with Additives of Fly Ash of Novocherkassk SDPP. In: Vatin, N., Pakhomova, E.G., Kukaras, D. (eds) Modern Problems in Construction. Lecture Notes in Civil Engineering, vol 287. Springer, Cham. https://doi.org/10.1007/978-3-031-12703-8_16

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  • DOI: https://doi.org/10.1007/978-3-031-12703-8_16

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-031-12702-1

  • Online ISBN: 978-3-031-12703-8

  • eBook Packages: EngineeringEngineering (R0)

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