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Volume 17, Issue 4
1 August 2010
Geosynthetics International Cover Image for Volume 17, Issue 4
Research Article| August 01 2010

Influence of unloading–reloading processes on the pullout resistance of geogrid Available to Purchase

N.H. Giang;
N.H. Giang
1
PhD student, Department of Civil Engineering, Saitama University, 255 Shimo-Okubo, Sakura-ku, Saitama 338-8570, Japan, Telephone: +81 83 3498 9568; Telefax: +81 48 855 1378, E-mail: s07de054@mail.saitama-u.ac.jp
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J. Kuwano;
J. Kuwano
2
Professor, Geosphere Research Institute, Saitama University, 255 Shimo-okubo, Sakura-ku, Saitama 338-8570, Japan, Telephone: +81 48 858 9239, Telefax: +81 48 855 1378, E-mail: jkuwano@mail.saitama-u.ac.jp
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J. Izawa;
J. Izawa
3
Assistant senior researcher, Earthquake and Structural Engineering, Structures Technology Division, Railway Technical Research Institute, 2-8-38 Hikari-cho, Kokubunji-shi, Tokyo 185-8540, Japan, Telephone: +81 42 573 7394, Telefax: +81 42 573 5326, E-mail: izawa@rtri.or.jp
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S. Tachibana
S. Tachibana
4
Assistant Professor, Geosphere Research Institute, Saitama University, 255 Shimo-okubo, Sakura-ku, Saitama 338-8570, Japan, Telephone: +81 48 858 9002, Telefax: +81 48 855 1378, Email: stachi@mail.saitama-u.ac.jp
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Author & Article Information
Publisher: Emerald Publishing
Received: August 24 2009
Revision Received: February 12 2010
Accepted: May 15 2010
Online ISSN: 1751-7613
Print ISSN: 1072-6349
© 2010 Thomas Telford Ltd
2010
Geosynthetics International (2010) 17 (4): 242–249.
https://doi.org/10.1680/gein.2010.17.4.242
Article history
Received:
August 24 2009
Revision Received:
February 12 2010
Accepted:
May 15 2010

ABSTRACT: This study presents an evaluation of soil–geogrid interaction mechanisms. Pullout tests were carried out on different types of geogrid to evaluate the effects of transverse ribs and dilatancy characteristics of sand around the geogrid during unload–reload processes. The interaction was observed using particle image velocimetry and analyzed using a spatial discretization scheme in the finite element method to understand the dilatancy mechanism and the shear strain distribution.

Keywords:
Geosynthetics, Pullout test, Unload—reload, Dilatancy, Contraction, Geogrid
© 2010 Thomas Telford Ltd
2010
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