Lightweight Mortar Containing High Amounts of Alternative Raw Materials with Increased Thermal Resistance

Tomáš Melichar; Jiří Bydžovský; Ámos Dufka

doi:10.4028/www.scientific.net/MSF.916.190

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HomeMaterials Science ForumMaterials Science Forum Vol. 916Lightweight Mortar Containing High Amounts of...

Lightweight Mortar Containing High Amounts of Alternative Raw Materials with Increased Thermal Resistance

Abstract:

The paper researches lightweight mortars based on a high content of alternative materials. 25 – 30% heating plant slag was used in order to modify the matrix. Fly ash agloporite (a lightweight aggregate produced by self-combustion from fly ash) was used as an aggregate. Mortars were exposed to the temperatures up to 1,250° C. Two types of cooling were carried out at 1,000° C; controlled slow (in the furnace) and by shock (in water baths of approximate 18° C). Developed materials were further analyzed by various methods: monitoring changes in an observation furnace, physical–mechanical (to determine strength properties), physical-chemical (phase composition - XRD) and microstructural (SEM).

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Periodical:

Materials Science Forum (Volume 916)

Pages:

190-194

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.916.190

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Online since:

March 2018

Authors:

Tomáš Melichar*, Jiří Bydžovský, Ámos Dufka

Keywords:

Aggregates, Fly Ash Agloporite, Heating Plant Slag, Lightweight, Mortar, Polymer-Cement Matrix, Thermal Resistance

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