FINITE-ELEMENT MODELLING OF SOIL-GEOGRID INTERACTION DEALING WITH THE PULLOUT BEHAVIOUR OF GEOGRIDS  

作　　者：闰澍旺 冯守中 B.Barr 

机构地区：[1]Dept.of Hydraulic Eng.,Tianjin University,Tianjin 300072,China [2]Div.of Civil Eng.,Cardiff School of Engineering,Univ.of Wales,Cardiff,UK

出　　处：《Acta Mechanica Sinica》1998年第4期371-373,375-382,共12页力学学报（英文版）

摘　　要：To predict the behavior of geogrids embedded in sand under pullout loading conditions, the two dimensional plane-stress finite element model was presented. The interactions between soil and geogrid were simulated as non-linear springs, and the stiffness of the springs was determined from simple tests in the specially designed pullout box. The predicted behavior of the geogrid under pullout load agrees well with the observed data including the load-displacement properties, the displacement distribution along the longitudinal direction and the mobilization of the frictional and bearing resistance. (Edited author abstract) 8 Refs.To predict the behavior of geogrids embedded in sand under pullout loading conditions, the two dimensional plane-stress finite element model was presented. The interactions between soil and geogrid were simulated as non-linear springs, and the stiffness of the springs was determined from simple tests in the specially designed pullout box. The predicted behavior of the geogrid under pullout load agrees well with the observed data including the load-displacement properties, the displacement distribution along the longitudinal direction and the mobilization of the frictional and bearing resistance. (Edited author abstract) 8 Refs.

关 键 词：SAND GEOGRID interaction two dimensional finite-element modelling plane-stress small pullout box pullout rig friction bearing resistance 

分 类 号：TU411[建筑科学—岩土工程]