埋め戻し効果を考慮した埋め込み構造物の実用的な動的解析手法

概要

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The soil surrounding and neighboring the embedded foundation is usually disturbed by the excavation and backfill works. It follows that the soil in this region will have different properties from those of the soil in the remaining undisturbed region. For radially homogeneous soil case, the previous paper proposed a method of obtaining the laterally axial, shear and rotational stiffnesses related to the side surface of an embedded structure. Similarly, the present paper discusses the corresponding stiffnesses for radially inhomogeneous soil case. Next, in order to examine the validity of the proposed method, a simulation analysis is performed by being compared with the experimental results of the forced vibration tests for a reinforced concrete block. The results of the simulation analyses closely agree with the experimental results. In conclusion, the proposed method is considered to be effective as the practical method of the dynamic soil-structure interaction analysis, in the case of the inhomogeneous soil region around the embedded structure.
一般社団法人日本建築学会の論文
1992-03-20