Blast Resistance of Slurry Infiltrated Fibre Concrete with Waste Steel Fibres from Tires

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26232511%3A_____%2F18%3AN0000089" target="_blank" >RIV/26232511:_____/18:N0000089 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1051/matecconf/201714901060" target="_blank" >http://dx.doi.org/10.1051/matecconf/201714901060</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1051/matecconf/201714901060" target="_blank" >10.1051/matecconf/201714901060</a>

Result language

angličtina

Original language name

Blast Resistance of Slurry Infiltrated Fibre Concrete with Waste Steel Fibres from Tires

Original language description

The utilization of waste steel fibres (coming from the recycling process of the old tires) in production of blast resistant cement based panels was assessed. Waste fibres were incorporated in slurry infiltrated fibre concrete (SIFCON), which is a special type of ultra-highperformance fibre reinforced concrete with high fibre content. The technological feasibility (i.e. suitability of the waste fibres for SIFCON technology) was assessed using homogeneity test. Test specimens were prepared with three volume fractions (5; 7.5 and 10 % by vol.) of waste unclassified fibres. SIFCON with industrial steel fibres (10% by vol.) and ultra-highperformance fibre concrete with industrial fibres were also cast and tested for comparison purposes. Quasi-static mechanical properties were determined. Real blast tests were performed on the slab specimens (500x500x40 mm) according to the modified methodology M-T0-VTU0 10/09. Damage of the slab, the change of the ultrasound wave velocity propagation in the slab specimen before and after the blast load in certain measurement points, the weight of fragments and their damage potential were evaluated and compared. Realized tests confirmed the possibility of using the waste fibres for SIFCON technology. The obtained results indicate, that the usage of waste fibres does not significantly reduce the values of SIFCON flexural and compressive strength at quasi-static load - the values were comparable to the specimens with industrially produced fibres. With increasing fibre content, the mechanical parameters are increasing as well. Using of the waste fibres reduces fragmentation of SIFCON at blast load due to the fibre size parameters. Using of low diameter fibres means more fibres in the matrix and thus better homogeneity of the whole composite with less unreinforced areas. Regarding the blast tests, the specimen with waste steel fibres showed the best resistance and outperformed also the specimen with commercial fibres. Using of waste fibres in SIFCON technology can reduce the price of this composite by 70 % by keeping the original SIFCON extraordinary properties, which makes it very competitive material in the concrete area. © The Authors, published by EDP Sciences, 2018.

Czech name

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Czech description

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Type

J_SC - Article in a specialist periodical, which is included in the SCOPUS database

CEP classification

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OECD FORD branch

20500 - Materials engineering

Project

<a href="/en/project/TE02000162" target="_blank" >TE02000162: Centre of advanced materials and technologies for protection and safety enhancement</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2018

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

MATEC Web of Conferences

ISSN

2261-236X

e-ISSN

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Volume of the periodical

2018

Issue of the periodical within the volume

149

Country of publishing house

FR - FRANCE

Number of pages

6

Pages from-to

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UT code for WoS article

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EID of the result in the Scopus database

2-s2.0-85042434515