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Tytuł artykułu

The Properties of Ground Granulated Blast Furnace Slag Lightweight Aggregate (GLA) at Various Molar Ratio and Its Application in Concrete

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Języki publikacji
EN
Abstrakty
EN
The effects of supplementary cementitious materials (SCM) on the characteristics and internal structure of synthetic aggregate made from ground granulated blast furnace slag are investigated in this study (GGBS). Due to its high pozzolanic activity, GGBS was shown to be superior to other SCM materials, enhancing both the strength and durability of synthetic aggregate. Because sintering uses a lot of energy and generates a lot of pollutants, using a cold-bonded approach to make low density lightweight aggregates is particularly significant from an economic and environmental standpoint. Thus, the utilisation of ground granulated blast furnace slag (GGBS) as a substitute material in the production of green artificial lightweight aggregate (GLA) using the cold bonding method was discussed in this work. Admixtures of ADVA Cast 203 and Hydrogen Peroxide were utilised to improve the quality of GLA at various molar ratios. The freshly extracted GLA was then evaluated for specific gravity, water absorption, aggregate impact, and aggregate crushing in order to determine the optimal proportion blend. As a result, the overall findings offer great application potential in the development of concrete (GCLA). It has been determined that aggregates with a toughness of 14.6% and a hardness of 15.9% are robust. The compressive strength test found that the GCLA has a high strength lightweight concrete of 37.19 MPa and a density of 1845.74 kg/m3. The porous features developed inside the internal structure of GLA have led to GCLA’s less weight compared to conventional concrete.
Twórcy
  • Universiti Malaysia Perlis (UniMAP), Faculty of Civil Engineering Technology, Perlis, Malaysia
  • Universiti Malaysia Perlis (UniMAP), Geopolymer & Green Technology, Centre of Excellence (CEGeoGTech), Perlis, Malaysia
  • Universiti Malaysia Perlis (UniMAP), Faculty of Civil Engineering Technology, Perlis, Malaysia
  • Universiti Malaysia Perlis (UniMAP), Geopolymer & Green Technology, Centre of Excellence (CEGeoGTech), Perlis, Malaysia
autor
  • Universiti Malaysia Perlis (UniMAP), Faculty of Civil Engineering Technology, Perlis, Malaysia
  • Universiti Malaysia Perlis (UniMAP), Geopolymer & Green Technology, Centre of Excellence (CEGeoGTech), Perlis, Malaysia
  • Universiti Teknologi Malaysia, School of Civil Engineering, Faculty of Engineering, Skudai, Johor Bahru, Malaysia
  • Universiti Malaysia Perlis (UniMAP), Faculty of Civil Engineering Technology, Perlis, Malaysia
  • Universiti Malaysia Perlis (UniMAP), Faculty of Civil Engineering Technology, Perlis, Malaysia
  • Universiti Malaysia Perlis (UniMAP), Geopolymer & Green Technology, Centre of Excellence (CEGeoGTech), Perlis, Malaysia
Bibliografia
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  • [5] D. Suresh, K. Nagaraju, Ground Granulated Blast Slag (GGBS) In Concrete - A Review, IOSR Journal of Mechanical and Civil Engineering 12 (4,) 76-82 (2015). DOI: https://doi.org/10.9790/1684-12467682
  • [6] Z. Xu et al., Promoting utilization rate of ground granulated blast furnace slag (GGBS): Incorporation of nanosilica to improve the properties of blended cement containing high volume GGBS, Journal of Cleaner Production 332, 130096 (2022). DOI: https://doi.org/10.1016/j.jclepro.2021.130096
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Uwagi
This research was funded by Ministry of Higher Education Malaysia, Fundamental Research Grant Scheme (FRGS), grant number of FRGS/1/2019/ TK06/UNIMAP/02/1. The author is grateful to the Faculty of Civil Engineering Technology, Universiti Malaysia Perlis (UniMAP) for providing equipment’s and laboratory in this project.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-0eff697c-b8c2-4aec-9bf5-fb03e1abbd81
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