Mechanical Characterization of Nano-Reinforced Mortar: X-ray Micro-CT for 3D Imaging of Microstructure

Thomoglou, Athanasia K.; Fantidis, J. G.; Voutetaki, Maristella E.; Metaxa, Zoi S.; Chalioris, Constantin E.

doi:10.3390/engproc2023041004

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2024

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Cited by 6 publications

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MATLAB Interface for Simulation and Experimental Design of Ultrasonic Levitation

Oanca,

Andrei

2024

2024 5th International Conference on Communications, Information, Electronic and Energy Systems (CIEES)

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MATLAB Interface for Simulation and Experimental Design of Ultrasonic Levitation

Oanca,

Andrei

2024

2024 5th International Conference on Communications, Information, Electronic and Energy Systems (CIEES)

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Advanced Lime Mortars for Historical Architectural Structures

Pringopoulos,

Thomoglou,

Fantidis

et al. 2024

International Conference on Electronics, Engineering Physics and Earth Science (EEPES 2024)

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Compositional Design of New Environmentally Friendly Geopolymer Mortar Based on Kaolin and Granite Residues

de Brito,

Rodrigues,

Fernandes

et al. 2024

Materials

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The use of industrial residues in civil construction is an exciting alternative to mitigate environmental impacts and promote the circular economy. This work developed new compositions of geopolymer mortars activated by NaOH from fine kaolin residue (RCF), coarse kaolin residue (RCG) and granite (RG). All residues were benefited and characterized by chemical analysis (X-ray fluorescence), mineralogical phases (X-ray diffraction) and granulometry (laser granulometry). Additionally, the RCF was calcined at 650 °C for 2 h (RCFC) to produce metakaolin, which is the starting point for the geopolymer reaction. A mixture of experimental designs was accomplished to evaluate the water/binder factor (Wexp (%)) necessary for new geopolymer mortar compositions to reach the consistency index (260 mm, ASTM C1437-15) and the effect of different curing conditions on the simple compressive strength (SCS). The geopolymeric compositions with RCFCs, pre-cured at room temperature, exhibited the highest Wexp% values (>40%) and significant SCS, with curing conditions A and B reaching 6 MPa and 7 MPa, respectively. Such behavior can be explained by the fact that the pre-curing step at room temperature keeps the system humidity relatively high, favoring the dissolution of Si4+ and Al3+ ions and, therefore, increasing the Si/Al ratio, which positively influences the geopolymerization kinetics reaction.

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Mechanical Characterization of Nano-Reinforced Mortar: X-ray Micro-CT for 3D Imaging of Microstructure

Abstract: This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/).

Cited by 6 publications

References 10 publications

MATLAB Interface for Simulation and Experimental Design of Ultrasonic Levitation

MATLAB Interface for Simulation and Experimental Design of Ultrasonic Levitation

Advanced Lime Mortars for Historical Architectural Structures

Compositional Design of New Environmentally Friendly Geopolymer Mortar Based on Kaolin and Granite Residues

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