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BACK ANALYSIS OF 3D SEEPAGE PROBLEM AND
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Abstract A new method is proposed for the back analysis of 3D seepage problem. The variables of back analysis are determined firstly，and then the utilization of the sequential quadratic programming and high-efficient sensitivity analysis is suggested to promote the computation efficiency. The convergence of this method is very good. As an engineering example，the seepage field of Tai’an pumped-storage power station is back analyzed. In comparison with the observed values，the back analyzed results are reliable and the accuracy meets the engineering demands.
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Received: 05 July 2001
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