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다층사의 (多層士) 압밀심하에 (壓密沈下) 대한 수치해석
김팔규(Pal Kyu Kim) 대한공업교육학회 1984 대한공업교육학회지 Vol.9 No.1
There is little evidence of application of more complicated consolidation theories that take into account such effects as nonlinear stress-strain relations, layered systems or large strains. The purpose of this paper provides an efficient computer algorithm based on numerical analysis using finite difference method which account for multi-layered soils to determine the degree of consolidation and excess pore pressures relative to time and positions more realistically. The finite difference method of solving the consolidation equations has been investigated from the point of view of the stability conditions and the convergence with variance of the operator as well as to obtain an optimal ratios of total depth: divided depth. A comparison of the settlement predictions with both the classical analysis and the algorithm based on numerical analysis indicates that the new algorithm scheme is found to be superior to the classical theory in the layered soils.