Influence of unloading-reloading processes on the pullout resistance of geogrid

被引：13
|
作者：
Giang, N. H. [1 ]
Kuwano, J. [2 ]
Izawa, J. [3 ]
Tachibana, S. [2 ]
机构：
[1] Saitama Univ, Dept Civil Engn, Sakura Ku, Saitama 3388570, Japan
[2] Saitama Univ, Geosphere Res Inst, Sakura Ku, Saitama 3388570, Japan
[3] Railway Tech Res Inst, Struct Technol Div, Kokubunji, Tokyo 1858540, Japan
来源：
GEOSYNTHETICS INTERNATIONAL | 2010年 / 17卷 / 04期
关键词：
Geosynthetics; Pullout test; Unload-reload; Dilatancy; Contraction; Geogrid; OUT TESTS;
D O I：
10.1680/gein.2010.17.4.242
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
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.
引用
收藏
页码：242 / 249
页数：8
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