 2002, Vol. 21 Issue (08): 1147-1152 DOI: |
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| PRACTICAL ELASTOPLASTIC MODEL FOR GRANULAR MATERIALS | |||
| Sun De′an1， Yao Yangping2 | |||
| (1Department of Civil Engineering，Nagoya Institute of Technology， Nagoya， Japan) (2Department of Civil Engineering，Beijing University of Aeronautics and Astronautics， Beijing 100083 China) | |||
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