Abstract
A finite element formulation developed by Belytschko and his coworkers [1] is used to examine localized deformation as it exists for laboratory specimens of compressible Chicago clays. The element is based on an assumed strain formulation wherein localized and non-localized zones are embedded into an element when material based bifurcation is detected. A plane strain compression test of a natural clay specimen in which deformations localized into a single shear band during undrained shear is simulated using this element. Localization is initiated by imposing a non-uniform applied displacement consistent with that measured experimentally. Results indicate that to insure localization to a single band, considerations must be made for non-uniformities developed during the consolidation phase.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 311-339 |
| Number of pages | 29 |
| Journal | Computers and Geotechnics |
| Volume | 18 |
| Issue number | 4 |
| DOIs | |
| State | Published - 1996 |
Funding
The support of the U.S. Department of Education through Grant 0620-350-C301 and the National Science Foundation through Grant BCS-9019755 are gratefully acknowledged. The authors are also grateful to Professor Brian Moran of Northwestern University and Dr Bruce Englemann of U.S. Electra-Car for their many helpful discussions and comments throughout the course of this work.
ASJC Scopus subject areas
- Geotechnical Engineering and Engineering Geology
- Computer Science Applications