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Geotechnical behavior of fly ash mixed with randomly oriented fiber inclusions
AbstractFly ash is a waste produced from burning of coal in thermal power stations. The staggering increase in the production of fly ash and its disposal in an environmentally friendly manner is increasingly becoming a matter of global concern. Efforts are underway to improve the use of fly ash in several ways, with the geotechnical utilization also forming an important aspect of these efforts. A number of studies have been conducted recently to investigate the influence of randomly oriented fibers on the geotechnical behavior of coarse grained and fine grained soils. However, very few studies have been carried out on fiber-reinforced fly ash. An experimental study was carried out to investigate the influence of randomly oriented fiber inclusions on the geotechnical behavior of two Indian fly ashes. Polyester fibers of two different types and a constant fiber content of 1% (by dry weight) were used in the experiments. The raw material content of the fibers was 100% recycled plastic waste. This paper presents the results of compaction tests, triaxial shear tests, and other geotechnical characterization tests carried out on the raw and fiber-reinforced fly ashes. The fiber inclusions increased the strength of the raw fly ash specimens and changed their brittle behavior into ductile behavior.
Geotechnical behavior of fly ash mixed with randomly oriented fiber inclusions
AbstractFly ash is a waste produced from burning of coal in thermal power stations. The staggering increase in the production of fly ash and its disposal in an environmentally friendly manner is increasingly becoming a matter of global concern. Efforts are underway to improve the use of fly ash in several ways, with the geotechnical utilization also forming an important aspect of these efforts. A number of studies have been conducted recently to investigate the influence of randomly oriented fibers on the geotechnical behavior of coarse grained and fine grained soils. However, very few studies have been carried out on fiber-reinforced fly ash. An experimental study was carried out to investigate the influence of randomly oriented fiber inclusions on the geotechnical behavior of two Indian fly ashes. Polyester fibers of two different types and a constant fiber content of 1% (by dry weight) were used in the experiments. The raw material content of the fibers was 100% recycled plastic waste. This paper presents the results of compaction tests, triaxial shear tests, and other geotechnical characterization tests carried out on the raw and fiber-reinforced fly ashes. The fiber inclusions increased the strength of the raw fly ash specimens and changed their brittle behavior into ductile behavior.
Geotechnical behavior of fly ash mixed with randomly oriented fiber inclusions
Kaniraj, Shenbaga.R (author) / Gayathri, V (author)
Geotextiles and Geomembranes ; 21 ; 123-149
2003-01-07
27 pages
Article (Journal)
Electronic Resource
English
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