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Valorization of fly ash from a thermal power plant for producing high-performance self-compacting concrete

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2020
0350-820X2003307S.pdf (1.778Mb)
Authors
Savić, Aleksandar R.
Vlahović, Milica
Martinović, Sanja
Đorđević, Nataša
Broćeta, Gordana
Volkov Husović, Tatjana
Article (Published version)
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Abstract
This study analyzes the feasibility of valorizing industrial by-product, fly ash from a thermal power plant as a partial replacement of mineral filler-limestone for the production of self-compacting concrete (SCC). Three types of SCC mixtures with different portions of fly ash and the reference mixture with limestone were designed. The synthesized SCCs in the fresh state were examined for density, entrained air content, flowability (Slump flow, Slump flow time (t500), V-funnel time (tv)), passing ability (L-box), and segregation resistance, while hardened state testing included: density, compressive and flexural strength, static modulus of elasticity, water permeability, resistance against freezing in the presence of deicing salt, and SEM analysis. Taking into account the obtained results it can be concluded that the addition of fly ash has a positive impact on the concrete properties and that the optimal content of fly ash is 20 % with respect to the total filler mass
Keywords:
Self-compacting concrete (SCC) / Fly ash / Mixture design / Mechanical strength / Durability
Source:
Science of Sintering, 2020, 52, 3, 307-327
Publisher:
  • International Institute for the Science of Sintering, Beograd
Projects:
  • Ministry of Education, Science and Technological Development of the Republic of Serbia - Grant 92166/3-19
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 451-03-68/2020-14/200026 (University of Belgrade, Institute of Chemistry, Technology and Metallurgy - IChTM) (RS-200026)
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 451-03-68/2020-14/200023 (Institute of Technology of Nuclear and Other Mineral Row Materials - ITNMS, Belgrade) (RS-200023)
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 451-03-68/2020-14/200135 (University of Belgrade, Faculty of Technology and Metallurgy) (RS-200135)

DOI: https://doi.org/10.2298/SOS2003307S

ISSN: 0350-820X

WoS: 000573637200006

Scopus: 2-s2.0-85097625338
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URI
https://cer.ihtm.bg.ac.rs/handle/123456789/3764
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  • Radovi istraživača / Researchers' publications
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