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The effect of macro polymer fibres length and content on the fibre reinforced concrete

Abstrakt

The paper presents studies of a ready-mix concrete containing polymer fibres of three different lengths: 24, 38 and 54 mm. The performed tests allowed to determine the effect of fibre volume fraction and length on the concrete strength. The basic parameters of concrete mixture (consistency, air content and bulk density) were identified. Fibre reinforced concrete belongs to a group of composite materials. The polymer fibres are applied in the concrete in structures where the reduction of shrinkage cracking as well as corrosion resistance and fire temperatures are required. It is widely known, that the cracking behaviour of concrete structures depends on flexural tensile strength of concrete. The addition of fibres significantly improves the tensile strength. The experimental study, including axial compressive strength and center-point loading flexural tensile strength, was carried out. The scope of the research was also expanded by the usage of a scanning microscope. The test results showed the effect of fibre length and fibre combinations on mechanical properties of concrete. The effect of the research is to formulate guidelines due to the quantity of macro polymer fibres. In general, appropriate fibre content brings a beneficial effect e.g. improves better workability of a concrete

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Informacje szczegółowe

Kategoria:
Aktywność konferencyjna
Typ:
publikacja w wydawnictwie zbiorowym recenzowanym (także w materiałach konferencyjnych)
Opublikowano w:
MATEC Web of Conferences strony 1 - 8,
ISSN: 2261-236X
Tytuł wydania:
2nd Baltic Conference for Students and Young Researchers (BalCon 2018) strony 1 - 8
Język:
angielski
Rok wydania:
2018
Opis bibliograficzny:
Kuryłowicz-Cudowska A., Kurpińska M.: The effect of macro polymer fibres length and content on the fibre reinforced concrete// 2nd Baltic Conference for Students and Young Researchers (BalCon 2018)/ : , 2018, s.1-8
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1051/matecconf/201821903004
Weryfikacja:
Politechnika Gdańska

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