Optimization of Tension Absorption of Geosynthetics through Reinforced Slope

A series of direct shear tests were carried out on a sandy soil to evaluate the effect of optimum reinforcement orientation through the geosynthetic reinforced slopes. The main aim of the research was to find out how reinforcement should be installed through the shear box with respect to shear pl...

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Main Authors: Moayedi, Hossein, Kim Huat, Bujang, Kazemian, Sina, Asadi, Afshin
Format: Article
Language:English
English
Published: Electronic Journal of Geotechnical Engineering 2010
Online Access:http://psasir.upm.edu.my/id/eprint/9709/
http://psasir.upm.edu.my/id/eprint/9709/1/optimization.pdf
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author Moayedi, Hossein
Kim Huat, Bujang
Kazemian, Sina
Asadi, Afshin
author_facet Moayedi, Hossein
Kim Huat, Bujang
Kazemian, Sina
Asadi, Afshin
author_sort Moayedi, Hossein
building UPM Institutional Repository
collection Online Access
description A series of direct shear tests were carried out on a sandy soil to evaluate the effect of optimum reinforcement orientation through the geosynthetic reinforced slopes. The main aim of the research was to find out how reinforcement should be installed through the shear box with respect to shear plane and regarding to absorbing maximum tension forces. For finding this optimization angle, a large-scale direct shear box was used. The reinforced soil specimens (30.4 × 30.4 × 15.0 cm) were installed through the shear box in five different forms including 0, 30, 45, 60, 90 degree of reinforcement respect to vertical axis of shear box. Based on the results gained from the research, the optimization angle of reinforcement that both shear displacement and soil dilation have caused the most tension stress in dry sandy soils was between 45 and 60 degree with respect to shear failure plane. It was because of the better interaction of the coarse granular soils with geogrid apertures. Finally, a series of two-dimensional finite element simulations were carried out using the results of optimum direction to describe the behavior of reinforced slope under different reinforcement directions with respect to shear failure plane.
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publishDate 2010
publisher Electronic Journal of Geotechnical Engineering
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spelling upm-97092011-05-18T11:23:33Z http://psasir.upm.edu.my/id/eprint/9709/ Optimization of Tension Absorption of Geosynthetics through Reinforced Slope Moayedi, Hossein Kim Huat, Bujang Kazemian, Sina Asadi, Afshin A series of direct shear tests were carried out on a sandy soil to evaluate the effect of optimum reinforcement orientation through the geosynthetic reinforced slopes. The main aim of the research was to find out how reinforcement should be installed through the shear box with respect to shear plane and regarding to absorbing maximum tension forces. For finding this optimization angle, a large-scale direct shear box was used. The reinforced soil specimens (30.4 × 30.4 × 15.0 cm) were installed through the shear box in five different forms including 0, 30, 45, 60, 90 degree of reinforcement respect to vertical axis of shear box. Based on the results gained from the research, the optimization angle of reinforcement that both shear displacement and soil dilation have caused the most tension stress in dry sandy soils was between 45 and 60 degree with respect to shear failure plane. It was because of the better interaction of the coarse granular soils with geogrid apertures. Finally, a series of two-dimensional finite element simulations were carried out using the results of optimum direction to describe the behavior of reinforced slope under different reinforcement directions with respect to shear failure plane. Electronic Journal of Geotechnical Engineering 2010 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/9709/1/optimization.pdf Moayedi, Hossein and Kim Huat, Bujang and Kazemian, Sina and Asadi, Afshin (2010) Optimization of Tension Absorption of Geosynthetics through Reinforced Slope. Electronic Journal of Geotechnical Engineering, 15. pp. 93-104. ISSN 1089-3032 English
spellingShingle Moayedi, Hossein
Kim Huat, Bujang
Kazemian, Sina
Asadi, Afshin
Optimization of Tension Absorption of Geosynthetics through Reinforced Slope
title Optimization of Tension Absorption of Geosynthetics through Reinforced Slope
title_full Optimization of Tension Absorption of Geosynthetics through Reinforced Slope
title_fullStr Optimization of Tension Absorption of Geosynthetics through Reinforced Slope
title_full_unstemmed Optimization of Tension Absorption of Geosynthetics through Reinforced Slope
title_short Optimization of Tension Absorption of Geosynthetics through Reinforced Slope
title_sort optimization of tension absorption of geosynthetics through reinforced slope
url http://psasir.upm.edu.my/id/eprint/9709/
http://psasir.upm.edu.my/id/eprint/9709/1/optimization.pdf