Comparison of Pullout Behaviour on Sand between Planer Grid Forms and Grid with Rib of Reinforcement

Abstract:

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In conventional reinforced soil structures, the reinforcements are often laid horizontally in the soil. In this paper, a new concept of grid reinforcement with ribbed inclusions is proposed. In the proposed of soil reinforcement, besides conventional grid reinforcements, some vertical and 3D reinforcing rib are also placed in the soil. Pullout tests are necessary in order to study the interaction behavior between soil and geosynthetics in the anchorage zone. Then, a series of pullout tests are conducted and the various parameters studied in this testing program include rib height and grid size of reinforcement. The result shows that the ultimate pullout force of plexiglass with rib is significantly larger than ordinary ones in the same normal stress. Ultimate pullout resistance increased as the increase of the height of tooth, and also is significantly impacted by grid size.

Info:

Periodical:

Advanced Materials Research (Volumes 143-144)

Edited by:

H. Wang, B.J. Zhang, X.Z. Liu, D.Z. Luo, S.B. Zhong

Pages:

1012-1016

DOI:

10.4028/www.scientific.net/AMR.143-144.1012

Citation:

Y. L. Lin et al., "Comparison of Pullout Behaviour on Sand between Planer Grid Forms and Grid with Rib of Reinforcement", Advanced Materials Research, Vols. 143-144, pp. 1012-1016, 2011

Online since:

October 2010

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Price:

$35.00

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