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Erschienen in: Journal of Material Cycles and Waste Management 5/2022

01.06.2022 | ORIGINAL ARTICLE

Mechanical, durability and microstructural assessment of geopolymer concrete incorporating fine granite waste powder

verfasst von: Rajat Saxena, Trilok Gupta, Ravi K. Sharma, Salman Siddique

Erschienen in: Journal of Material Cycles and Waste Management | Ausgabe 5/2022

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Abstract

This research investigation has mainly focused on the development of cementless concrete, i.e., geopolymer concrete, along with the reutilization of industrial fine granite waste powder (FGWP). FGWP was re-utilized as fractional substitution of natural fine sand (NFS) in the manufacturing of geopolymer concrete in varying amounts—0%, 5%, 10%, 15% and 20%. Mechanical performance evaluation tests like compressive strength test, flexural strength test and static modulus of elasticity test were carried out in this research study to investigate the influence of fractional substitution of NFS by FGWP. Impact energy of geopolymer concrete samples was also evaluated using drop weight test. Durability characteristics of geopolymer concrete were assessed through ultra-sonic pulse velocity (UPV), water absorption test, water permeability test and carbonation test. Micro-structural analysis was also carried out using scanning electron microscope (SEM) and X-ray diffraction (XRD). For environmental impact assessment, embodied energy (EB-E) and embodied carbon dioxide (EB-CO2) were determined through ecological analysis. Test outcomes reflected that incorporation of FGWP up to 15% proved very propitious and enhanced mechanical strength properties and durability characteristics of geopolymer concrete.

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Metadaten
Titel
Mechanical, durability and microstructural assessment of geopolymer concrete incorporating fine granite waste powder
verfasst von
Rajat Saxena
Trilok Gupta
Ravi K. Sharma
Salman Siddique
Publikationsdatum
01.06.2022
Verlag
Springer Japan
Erschienen in
Journal of Material Cycles and Waste Management / Ausgabe 5/2022
Print ISSN: 1438-4957
Elektronische ISSN: 1611-8227
DOI
https://doi.org/10.1007/s10163-022-01439-0

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