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PROPERTIES OF CONCRETE WITH FIBRES FROM RECYCLED TYRES

Pawelska-Mazur, M.; Kaszynska, M.
Abstract:
Due to EU environmental legislation focused on the reduction of waste, all post-consumer tyres must be reused, retreated or recycled. Rubber derived from post-consumer tyres is utilised in a number of engineering applications, however the market solutions for steel components are still not discovered. The main objective of the research was to develop the method of the valuable steel tyre cord application in the construction sector. Studies were conducted on recycled fibres modified concrete properties to examine the feasibility of recycled steel fibres (RSF) to the concrete mix and to compare it with industrially produced steel fibres (ISF). The research program included the investigation of mechanical properties (compressive strength, tensile strength, abrasion resistance, bond strength, and shrinkage) of concrete without any fibres (NC), concrete modified with the industrial steel fibers (SFRC) and concrete modified with the fibers derived from recycled post-consumer tyres (RSFRC). In order to analyze the post-cracking performance of concrete reinforced with fibers from post-consumer tyres, flexural tests were carried out under CMOD (Crack Mouth Opening Displacement) control. The authors demonstrated that the fibres from recycled car tyres are a promising material for reinforcing cement matrix and can be implemented as the replacement of industrially produced fibres in concrete. The results of investigations prove that the novel RSFRC have the potential for the environmentally friendly way of dealing with tyre steel components. In addition, the demonstrated economic benefits of RSFRC could encourage the private sector to make significant advances in circular economy though a higher amount of recycled materials used in construction.
SGEM Research areas:
Year:
2018
Type of Publication:
In Proceedings
Keywords:
steel fibres from used tyres; Steel Fibre Reinforcing Concrete; mechanical properties of concrete
Volume:
18
SGEM Book title:
18th International Multidisciplinary Scientific GeoConference SGEM 2018
Book number:
6.3
SGEM Series:
International Multidisciplinary Scientific GeoConference-SGEM
Pages:
303-310
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/S26.040
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