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Geotechnical behavior of fly ash mixed with ramdomly oriented fiber inclusions
Fly 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 fibres on the geotechnical behaviour of coarse grained and fine grained soils. However, very few studies have been carried out on fibre-reinforced fly ash. An experimental study was carried out to investigate the influence of randomly oriented fibre inclusions on the geotechnical behaviour of two Indian fly ashes. Polyester fibres of two different types and a constant fibre content of 1 % (by dry weight) were used in the experiments. The raw material content of the fibres 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 fibre-reinforced fly ashes. The fibre inclusions increased the strength of the raw fly ash specimens and changed their brittle behaviour into ductile behaviour.
Geotechnical behavior of fly ash mixed with ramdomly oriented fiber inclusions
Fly 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 fibres on the geotechnical behaviour of coarse grained and fine grained soils. However, very few studies have been carried out on fibre-reinforced fly ash. An experimental study was carried out to investigate the influence of randomly oriented fibre inclusions on the geotechnical behaviour of two Indian fly ashes. Polyester fibres of two different types and a constant fibre content of 1 % (by dry weight) were used in the experiments. The raw material content of the fibres 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 fibre-reinforced fly ashes. The fibre inclusions increased the strength of the raw fly ash specimens and changed their brittle behaviour into ductile behaviour.
Geotechnical behavior of fly ash mixed with ramdomly oriented fiber inclusions
Geotechnische Eigenschaften von mit zufallsverteilt orientierten Fasern vermischter Flugasche
Kaniraj, S.R. (author) / Gayathri, V. (author)
Geotextiles and Geomembranes ; 21 ; 123-149
2003
27 Seiten, 15 Bilder, 11 Tabellen, 44 Quellen
Article (Journal)
English
Geotechnical behavior of fly ash mixed with randomly oriented fiber inclusions
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