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| STABILITY ANALYSIS OF SOIL SLOPE BY FINITE ELEMENT METHOD WITH PLASTIC LIMIT UPPER BOUND |
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Abstract The theory and method of the plastic limit analysis are introduced systematically. By using the finite element method and linear program，the upper limit method can evaluate the bearing capacity and the safety factor of soil slope. The influence of yield surface linearization on the degree of accuracy and the influence of slope soil density on the limit load are discussed. A classical slope calculation case show that the presented method is of correctness and high precision.
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Received: 29 August 2002
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