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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 54
Edited by: B.H.V. Topping
Paper X.3

Simulation of the Dynamic Compaction Process of Unsaturated Soils

N. Ekrami-Nasab, J. Oliphant and P.K. Woodward

Department of Civil and Offshore Engineering, Heriot-Watt University, Edinburgh, United Kingdom

Full Bibliographic Reference for this paper
N. Ekrami-Nasab, J. Oliphant, P.K. Woodward, "Simulation of the Dynamic Compaction Process of Unsaturated Soils", in B.H.V. Topping, (Editor), "Advances in Finite Element Procedures and Techniques", Civil-Comp Press, Edinburgh, UK, pp 283-290, 1998. doi:10.4203/ccp.54.10.3
This paper explains the implementation of the advanced kinematic elasto-plastic constitutive soil model "ALTERNAT" into the implicit dynamic finite element for describing the stress-strain behaviour of unsaturated soils. The constitutive equation of the model is developed into a dynamic finite element program within a framework of the implicit Newmark gamma,beta method, and treats the compaction of the unsaturated soil as a three-phase medium. Unsaturated soil, in the present paper, is defined as a continuous water phase and an air phase, which is entrapped within the water phase.

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