Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Experimental Study on Shear Strength Behavior of Shredded Tyre-Reinforced Sand
End-of-life tyres are a disposal problem due to large volumes produced every year. This has prompted interest in finding ways to reuse or recycle them. To this aim, the present study demonstrates how the shear strength characteristics of a locally available sand are altered by reinforcing with various percentages of shredded waste car tyres. The tyres were shredded in different sizes of 10 x 10 mm, 10 x 20 mm and 10 x 30 mm, and then added to the sand in various proportions by dry weight. To assess the variation of dry density and shear behavior, vibratory and large scale direct shear tests were carried out. The dry density decreases with shred content, as expected. The inclusion of shredded tyres in sand increases the shear resistance. During shearing, the mixes display both dilatancy and contraction depending on the mixing ratio. There is a noticeable increase of both cohesive intercept and internal friction angle of the mixes due to shred addition. Finally, statistical analysis shows that the normal stress and shred content mainly influence the measured shear strength values.
Experimental Study on Shear Strength Behavior of Shredded Tyre-Reinforced Sand
End-of-life tyres are a disposal problem due to large volumes produced every year. This has prompted interest in finding ways to reuse or recycle them. To this aim, the present study demonstrates how the shear strength characteristics of a locally available sand are altered by reinforcing with various percentages of shredded waste car tyres. The tyres were shredded in different sizes of 10 x 10 mm, 10 x 20 mm and 10 x 30 mm, and then added to the sand in various proportions by dry weight. To assess the variation of dry density and shear behavior, vibratory and large scale direct shear tests were carried out. The dry density decreases with shred content, as expected. The inclusion of shredded tyres in sand increases the shear resistance. During shearing, the mixes display both dilatancy and contraction depending on the mixing ratio. There is a noticeable increase of both cohesive intercept and internal friction angle of the mixes due to shred addition. Finally, statistical analysis shows that the normal stress and shred content mainly influence the measured shear strength values.
Experimental Study on Shear Strength Behavior of Shredded Tyre-Reinforced Sand
Vinot, V. (Autor:in) / Singh, Baleshwar (Autor:in)
GeoShanghai International Conference 2010 ; 2010 ; Shanghai, China
14.05.2010
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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