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Modulus of elasticity of reinforced silty sand

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Authors
Chegenizadeh, Amin
Nikraz, Hamid
Date
2011
Type
Conference Paper

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Citation
Chegenizadeh, Amin and Nikraz, Hamid. 2011. Modulus of elasticity of reinforced silty sand, 5th Symposium on Advances in Science & Technology (5th SASTech), May 12-17 2011. Mashhad, Iran: Khavaran Higher-education Institute.
Source Title
Proceedings of the 5th Symposium on Advances in Science & Technology (5th SASTech)
Source Conference
5th Symposium on Advances in Science & Technology (5th SASTech)
School
Department of Civil Engineering
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Abstract

Reinforced soil has been among the most effective soil modification materials. Its use has been expanded dramatically into civil engineering, geotechnical engineering and pavement engineering. Reinforcing subgarde in pavement systems has always been an issue. This study focuses on effect of fibre inclusion on the modulus of elasticity of subgrade material. Plastic fibre was used for this investigation. Fibre contents and aspect ratio have been changed during these tests. The fibre percentage varied from 0 % (for unreinforced samples) to 0.3%. Silty sand was used as sub grade material. Unconfined compression tests were carried out to investigate behaviour of the composite under different loading condition. The results showed that the modulus of elasticity of fibre reinforced composite has increased by fibre inclusion. The fibre length and fibre content found to play important rule on the modulus of elasticity of fibre.