在研究土体的弹塑性本构关系，急需一篇文章参考。
Elastoplastic Stress-Strain Theory for Cohesionless Soil
by Poul V. Lade, A.M.ASCE, (Asst. Prof. of Engrg. and Applied Sci., Univ. of California, Los Angeles, Calif.) and James M. Duncan, M.ASCE, (Prof. of Civ. Engrg., Univ. of California, Berkeley, Calif.)
Journal of the Geotechnical Engineering Division, Vol. 101, No. 10, October 1975, pp. 1037-1053
不知道哪位有这篇文章 谢谢上传！！！
