地盤の非線形性を考慮した水平力を受けるパイルドラフト基礎の杭応力の簡易算定法

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This paper describes a new simplified nonlinear analysis of stress of piles in a laterally loaded piled raft foundation. In the proposed method, a lateral load is divided into the friction that acts at the bottom of the raft and the shear forces at the top of the piles. Raft-soil-pile, pile-soil-raft and pile-soil-pile interactions are considered. Degradation of soil stiffness due to the friction on the raft and to the lateral force along piles are considered separately. The shear forces at the top of the piles are calculated under the condition that the displacement of each pile head and the raft are equal. It was found from the analysis that the maximum moment of piles in ground is larger and its location appeared deeper in case of the nonlinear analysis than the linear analysis.
一般社団法人日本建築学会の論文
2001-03-20