Development of strain-hardening geopolymer mortar based on liquid-crystal display (LCD) glass and blast furnace slag

Yoo, Doo Yeol; Lee, Seung Kyun; You, Ilhwan; Oh, Taekgeun; Lee, Yujin; Zi, Goangseup

doi:10.1016/j.conbuildmat.2022.127334

Cited by 36 publications

(7 citation statements)

References 69 publications

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“…Notably, the coexistence of SO and GGR as partial replacements demonstrated the potential to improve the filling capacity of GGRM, resulting in a marginal decrease in compressive strength at lower replacement rates, an observation that aligns with the results of Yoo et al. (2022). Conversely, GGR's unique attributes, including its irregular shape, high specific surface area, and lamellar structure compared to SO, as detailed (K. Chen et al., 2021), make tight integration difficult, ultimately resulting in a substantial decrease in compressive strength at high replacement rates of GGR within GGRM.…”

Section: Resultssupporting

confidence: 87%

Eco‐friendly geopolymer mortar prepared from geopolymer waste: Mechanical and thermal properties

Bourzik,

Baba,

Akkouri

2023

Environmental Quality Mgmt

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As the demand for sustainable construction practices increases, alternative materials are being explored to reduce waste and carbon emissions. This study investigates the feasibility of utilizing recycled geopolymer binder as a substitute for ordinary sand in the production of geopolymer mortar. The study examines the effects of various replacement rates of recycled geopolymer on the physical, mechanical, and thermal properties of the geopolymer mortar. The results indicate that geopolymer mortar incorporating recycled geopolymer binder as a replacement for ordinary sand exhibits similar mechanical properties to traditional geopolymer mortar, with minor decreases in compressive and flexural strength as the replacement rate increased. The geopolymer mortar also demonstrated lower thermal conductivity than traditional mixes, resulting in increased thermal insulation. These findings suggest that using recycled geopolymer binder as a replacement for ordinary sand in geopolymer mortar production could be a promising approach for sustainable construction practices.

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Section: Resultssupporting

confidence: 87%

Eco‐friendly geopolymer mortar prepared from geopolymer waste: Mechanical and thermal properties

Bourzik,

Baba,

Akkouri

2023

Environmental Quality Mgmt

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“…In recent decades, geopolymer, which is known as a clinker-free lowcarbon binder, has a good potential to be a sustainable replacement for Portland cement, and has gradually attracted increasing attentions of researchers (Li et al, 2019;Amran et al, 2020;Xu et al, 2021a;Peng et al, 2022;Peng et al, 2023). Since geopolymer can present a similar mechanical performance with the cement paste, it has been successfully adopted to produce different types of advanced sustainable construction materials, such as artificial geopolymer aggregates (Xu et al, 2021b;Qian et al, 2022;Qian et al, 2023), Engineered/Strain-Hardening Geopolymer Composites (EGC/SHGC) (Yoo et al, 2022b;Lao et al, 2023), and ultra-high-performance geopolymer concrete (UHPGC) (Ambily et al, 2014;Ranjbar et al, 2017;Wetzel and Middendorf, 2019;Liu et al, 2020a;Liu et al, 2020b;Lao et al, 2022). Here, it is mentioned that strain-hardening can also be achieved in UHPGC through proper matrix design and fiber utilization, and this material can be termed as strain-hardening UHPGC (SH-UHPGC) (Lao et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Utilization of sodium carbonate activator in strain-hardening ultra-high-performance geopolymer concrete (SH-UHPGC)

Lao

Huang

et al. 2023

Front. Mater.

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In this study, strain-hardening ultra-high-performance geopolymer concrete (SH-UHPGC) was produced using Na2CO3, Na2SiO3 and their hybridization (1:1 in mole ratio) as alkaline activators. An ultra-high compressive strength was achieved for all the developed strain-hardening ultra-high-performance geopolymer concrete (i.e., over 130 MPa). Strain-hardening ultra-high-performance geopolymer concrete with hybrid Na2CO3 and Na2SiO3 activators showed the highest compressive strength (186.0 MPa), tensile strain capacity (0.44%), and tensile strength (11.9 MPa). It should be highlighted that very significant multiple cracking can be observed for all the strain-hardening ultra-high-performance geopolymer concrete even at a very low tensile strain level (e.g., 0.1%). According to the reaction heat, microstructures, and chemical composition analyses, strain-hardening ultra-high-performance geopolymer concrete with hybrid activators had the highest reaction degree, while that of Na2CO3-based strain-hardening ultra-high-performance geopolymer concrete was the lowest. It was found that the Na2CO3-based strain-hardening ultra-high-performance geopolymer concrete showed the best sustainability, and the strain-hardening ultra-high-performance geopolymer concrete with hybrid Na2SiO3 and Na2CO3 presented the best overall performance (considering the mechanical performance, energy consumption, environmental impact, and economical potential). The findings of this work provide useful knowledge for improving the sustainability and economic potential of strain-hardening ultra-high-performance geopolymer concrete materials.

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“…The test results demonstrated that the use of SCBA in concrete prominently enhances its performance and compared it with conventional control concrete. Effect Of Mechanical Processing On SCBA Pozzolanicity was intended to understand the effect of using different particle size SCBA on the hydration of cement based paste [21][22][23][24][25]. Various tests were performed during the study to compare the hydration and chemical evaluation of pastes containing SCBA with different fineness and paste with inert (Quartz) and pozzolanic material.…”

Section: Literature Reviewmentioning

confidence: 99%

Effects of Alkaline Activator Solution on Concrete Mixed with Sugarcane Bagasse Ash and Ground Granulated Blast Furnace Slag

2022

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With an advancement in technology and research, various studies have been carried out on traditional concrete mixes and proposes modifications in order to obtain better quality concrete having both mechanical and durability requirements. In this work, both mechanical properties and durability indices of supplementary cementitious material are considered. Agricultural and Industrial wastes like Sugarcane Bagasse Ash (SCBA) and Ground Granulated Blast Furnace Slag (GGBS) are utilized as supplementary cementitious materials. The main objective of the present study is to determine the effect of supplementary cementitious materials, its mechanical properties and durability indices upon alkali activator solution. To develop concrete containing sugarcane bagasse ash and ground granulated blast furnace slag using alkaline activator solution. This study is to determine the optimal replacement of OPC with SCM and compressive strength of different mix ratio concrete.

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Development of strain-hardening geopolymer mortar based on liquid-crystal display (LCD) glass and blast furnace slag

Cited by 36 publications

References 69 publications

Eco‐friendly geopolymer mortar prepared from geopolymer waste: Mechanical and thermal properties

Eco‐friendly geopolymer mortar prepared from geopolymer waste: Mechanical and thermal properties

Utilization of sodium carbonate activator in strain-hardening ultra-high-performance geopolymer concrete (SH-UHPGC)

Effects of Alkaline Activator Solution on Concrete Mixed with Sugarcane Bagasse Ash and Ground Granulated Blast Furnace Slag

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