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The Effect of Raw Materials and Mechanical Activation Stages on Properties of Foamed Concrete

Permanent lenke
https://hdl.handle.net/10037/36341
DOI
http://dx.doi.org/10.2139/ssrn.4728421
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article.pdf (11.59Mb)
Innsendt manusversjon (PDF)
Dato
2024-02-16
Type
Journal article
Tidsskriftartikkel
Peer reviewed

Forfatter
Baronins, Janis; Shishkin, Andrei; Lusis, Vitalijs; Giosuè, Chiara; Goljandin, Dmitri; Novakova, Iveta; Kekez, Sofija; Korjakins, Aleksandrs; Gorelikovs, Dmitrijs; Gavrilovs, Pavels
Sammendrag
This study investigates the impact of high-energy milling on foamed concrete, which is crucial for its lightweight and insulating properties. The research uses a two-rotor disintegrator for milling cement, sand, and microsilica to evaluate the mechanical properties of foamed concrete produced with a high-speed homogenizer in a novel two-stage process. Comparisons are made between non-milled, single-milled, and double-milled individual components and mixtures with commercial binders. While energy consumption significantly increases after double-milling, immediate use of single-milled mixtures leads to enhanced compressive strength – 6.53 MPa for Portland-limestone cement and 9.95 MPa for white Portland cement. However, storing these mixtures for three days reduces their strength to 5.20 MPa and 6.63 MPa, respectively, due to reagglomeration. Microstructural analysis reveals finer particles and larger pores in samples made with milled mixtures, highlighting the importance of immediate use for optimal foamed concrete quality.
Forlag
Elsevier
Sitering
Baronins J, Shishkin, Lusis, Giosuè, Goljandin, Novakova I, Kekez S, Korjakins, Gorelikovs, Gavrilovs. The Effect of Raw Materials and Mechanical Activation Stages on Properties of Foamed Concrete. Social Science Research Network (SSRN). 2024
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  • Artikler, rapporter og annet (bygg, energi og materialteknologi) [91]
Copyright 2024 The Author(s)

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