Properties of concrete reinforced with different kinds of industrial waste fibre materials

Mohammed Seddik Meddah, Mohamed Bencheikh

Research output: Contribution to journalArticle

85 Citations (Scopus)

Abstract

Nowadays, the use of different types of sub-products in cement-based materials has become a common practice in concrete industry. This paper discusses the feasibility of adding metallic and polypropylene by-product fibres as reinforcement of normal concrete. The effects of the incorporation of various types of waste metallic fibres (WMF) and polypropylene fibres (WPF) on the mechanical properties of fibre-reinforced concrete were experimentally investigated. A normal concrete with a compressive strength of 30 MPa was used as a control mixture. The influence of type, volume and length of WF on the compressive and flexural strengths, and toughness of fibres reinforced concrete (FRC) is evaluated. The results obtained have shown that the WPF decreases the compressive strength of WFRC, especially when using long fibres with high volume fraction. A slight decrease of the compressive strength was also observed with the composites containing more than 2% of the WMF. However, adding the WPF and the hybrid fibres increases the flexural strength of the WFRC. It has been observed that the composites reinforced with the WPF is more advantageous in terms of post-cracking behaviour and load-carrying capacity as compared to the composites reinforced with the WMF even in some cases, the WPF performs better than the multimodal composites. The results have shown that generally, ductility, toughness, and especially the post-cracking behaviour of the WFRC are significantly improved when using the multimodal composites compared to composites reinforced with the mono-fibres system. Results regarding orientation and distribution of fibres into the cement matrix, and porosity and their effect on the WFRC performance were also discussed.

Original languageEnglish
Pages (from-to)3196-3205
Number of pages10
JournalConstruction and Building Materials
Volume23
Issue number10
DOIs
Publication statusPublished - Oct 2009

Fingerprint

Industrial Waste
Industrial wastes
Reinforced concrete
Fibers
Polypropylenes
Compressive strength
Composite materials
Bending strength
Toughness
Cements
Concretes
Concrete industry
Load limits

Keywords

  • Fibre distribution
  • Flexural and compressive strengths
  • Load-carrying capacity
  • Porosity
  • Residual strength
  • Toughness
  • Waste fibre-reinforced concrete

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Materials Science(all)

Cite this

Properties of concrete reinforced with different kinds of industrial waste fibre materials. / Meddah, Mohammed Seddik; Bencheikh, Mohamed.

In: Construction and Building Materials, Vol. 23, No. 10, 10.2009, p. 3196-3205.

Research output: Contribution to journalArticle

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