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Erschienen in: Bulletin of Engineering Geology and the Environment 4/2020

13.12.2019 | Original Paper

Effect of human hair fiber reinforcement on shrinkage cracking potential of expansive clay

verfasst von: Mandeep Singh Basson, Ramanathan Ayothiraman

Erschienen in: Bulletin of Engineering Geology and the Environment | Ausgabe 4/2020

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Abstract

This paper presents the results of an experimental investigation carried out to study the shrinkage cracking behavior of clay soil under natural and reinforced conditions. Waste human hair fibers collected from barbershops are used as reinforcement along with other natural/synthetic fibers such as coir fibers and polypropylene fibers. Effect of reinforcement is studied on Atterberg’s limits of soil and shrinkage limits. The progressive crack propagation with drying is assessed using an image processing technique under unreinforced and reinforced conditions. The cracking potential of soil is interpreted in terms of crack intensity factor and crack reduction ratio. It is inferred from the results that the geometric and morphological characteristics of crack patterns were significantly altered by random inclusion of fibers. It is found that polypropylene fibers are most efficient in controlling the cracking potential, and human hair fibers are also found to perform practically comparable with polypropylene fibers. The percentage reduction in cracking with coir fibers is relatively less.

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Metadaten
Titel
Effect of human hair fiber reinforcement on shrinkage cracking potential of expansive clay
verfasst von
Mandeep Singh Basson
Ramanathan Ayothiraman
Publikationsdatum
13.12.2019
Verlag
Springer Berlin Heidelberg
Erschienen in
Bulletin of Engineering Geology and the Environment / Ausgabe 4/2020
Print ISSN: 1435-9529
Elektronische ISSN: 1435-9537
DOI
https://doi.org/10.1007/s10064-019-01685-x

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