Utilization of recycled fibers in concrete

H. C. Wu, Y. M. Lim, V. C. Li, D. J. Foremsky

Research output: Contribution to conferencePaper

9 Citations (Scopus)

Abstract

In response to rapid accumulation of industrial and domestic wastes worldwide, and to rapid reduction of available landfills due to growing environmental concern, it is vital to find a new outlet for waste disposal. In this paper, we investigate application of various recycled fibers from used tires and carpets in concrete. These recycled fibers include polyester, nylon, polypropylene, and steel. In the current study, emphasis is placed on dry shrinkage response of concrete reinforced with various recycled fibers. Shrinkage cracking is one of the major causes of deterioration for concrete flatwork construction such as pavement and parking slab. Comparisons are also made with reinforcement of virgin steel and polypropylene fibers which are commonly employed in practice for shrinkage crack control. Free shrinkage as well as restrained shrinkage using a ring-type specimens is measured. In the latter case, cracking phenomenon and crack width are continuously monitored with the aid of a microscope. Some of the recycled fibers are found to be as effective as virgin fibers in suppressing shrinkage cracks. This finding is particularly important since the use of recycled fibers in concrete is not only to consume otherwise wastes but also to provide value-added products to the construction industry.

Original languageEnglish
Pages799-808
Number of pages10
Publication statusPublished - 1996 Dec 1
EventProceedings of the 1996 4th Materials Engineering Conference. Part 1 (of 2) - Washington, DC, USA
Duration: 1996 Nov 101996 Nov 14

Other

OtherProceedings of the 1996 4th Materials Engineering Conference. Part 1 (of 2)
CityWashington, DC, USA
Period96/11/1096/11/14

Fingerprint

Concretes
Fibers
Cracks
Polypropylenes
Steel
Parking
Construction industry
Land fill
Waste disposal
Tires
Concrete construction
Pavements
Deterioration
Reinforced concrete
Polyesters
Reinforcement
Microscopes

All Science Journal Classification (ASJC) codes

  • Building and Construction

Cite this

Wu, H. C., Lim, Y. M., Li, V. C., & Foremsky, D. J. (1996). Utilization of recycled fibers in concrete. 799-808. Paper presented at Proceedings of the 1996 4th Materials Engineering Conference. Part 1 (of 2), Washington, DC, USA, .
Wu, H. C. ; Lim, Y. M. ; Li, V. C. ; Foremsky, D. J. / Utilization of recycled fibers in concrete. Paper presented at Proceedings of the 1996 4th Materials Engineering Conference. Part 1 (of 2), Washington, DC, USA, .10 p.
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Wu, HC, Lim, YM, Li, VC & Foremsky, DJ 1996, 'Utilization of recycled fibers in concrete', Paper presented at Proceedings of the 1996 4th Materials Engineering Conference. Part 1 (of 2), Washington, DC, USA, 96/11/10 - 96/11/14 pp. 799-808.

Utilization of recycled fibers in concrete. / Wu, H. C.; Lim, Y. M.; Li, V. C.; Foremsky, D. J.

1996. 799-808 Paper presented at Proceedings of the 1996 4th Materials Engineering Conference. Part 1 (of 2), Washington, DC, USA, .

Research output: Contribution to conferencePaper

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Wu HC, Lim YM, Li VC, Foremsky DJ. Utilization of recycled fibers in concrete. 1996. Paper presented at Proceedings of the 1996 4th Materials Engineering Conference. Part 1 (of 2), Washington, DC, USA, .