2次元FEMによる立体山留め架構の挙動解析

概要

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The earth-retaining wall-structures for excavation tends to be complicated in these years, for efficient accommodation of the facilities of a building. lf we could introduce a fast calculation technique for such a three-dimensional problem, then it would be a useful tool for precise control of a complex wall-system. This paper proposes to open the closed wall system to a group of wall members in a single plane, and to correlate mutual mechanical reaction across their adjoining edges by a set of proper boundary conditions. Then the original problem is reduced to a simultaneous two-dimensional FEM problem, enabling us acalculation, much faster than the conventional three-dimensional method. Comparison of the theory with experiments on a real wall-structures was satisfactory, proving usefulness of the present method.
1994-11-30