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THE EFFECT OF RECYCLED BLAST FURNACE SLAG WASTE ON THE CHARACTERISTICS AND DURABILITY OF CEMENT-BASED MORTARS

Nicula, L. M.; Corbu, O.; Iliescu, M.
Abstract:
This paper focuses on a study regarding the use of waste in constructions: such as blast furnace slag from ironworks, as a by-product of the iron oxide reduction reactions by carbon monoxide resulting from coke burning. The slag is used in cement-based mortar mixtures under two forms: as granulated and ground slag powder under 63 ?m and non-granulated slag as an 0/4 mm aggregate resulting from solid slag, processed in crushing equipment and then sorted according to the standards on mortar and concrete aggregates. At the global level, the necessity of reduction of non-renewable prime materials is very obvious. The use of recycled waste in constructions, in road infrastructure, such as slag waste, leads to decreasing the effect on the environment. The current study is in the preliminary phase of road concrete design mixture. This uses slag based waste, in order to reduce carbon print emitted during fabrication. Moreover, it reduces the consumption of prime non-renewable material, respectively of the mix-design aggregates that have been conducted. This paper analyzes the effect of blast furnace slag on the physical and mechanical properties and on some aspects of sustainability such as freeze-thaw resistance of a new environmentally-friendly mortar
SGEM Research areas:
Year:
2018
Type of Publication:
In Proceedings
Keywords:
new cement mortar; recycled waste; slag waste; environmentally-friendly; reduce carbon print
Volume:
18
SGEM Book title:
18th International Multidisciplinary Scientific GeoConference SGEM 2018
Book number:
6.3
SGEM Series:
International Multidisciplinary Scientific GeoConference-SGEM
Pages:
379-390
Publisher address:
51 Alexander Malinov blvd, Sofia, 1712, Bulgaria
SGEM supporters:
Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
Period:
02-08 July, 2018
ISBN:
978-619-7408-52-2
ISSN:
1314-2704
Conference:
18th International Multidisciplinary Scientific GeoConference SGEM 2018, 02-08 July, 2018
DOI:
10.5593/sgem2018/6.3/S26.050
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