等球充填体の静圧縮 : 第1報, 加荷過程の理論

概要

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A relationship of axial force and compressive displacement is presented theoretically for bin spheres of equal size and material. The deformations of the spheres are limited to an elastic region and the case of loading process. The displacement of the packing body is derived, in consideration of the local displacements by the Hertz contact theory for the elastic spheres piled in the vertical direction, and by considering vertical movements of the spheres due to slidings and the Hertz's contacts of some spheres in the horizontal direction. The latter displacement due to the sliding and the horizontal compression is determined by introducing a probability theory to the random distribution of contact angles of two spheres in contact. The relation agrees fairly well with experimental results for steel spheres packed in a cylinder of steel.
一般社団法人日本機械学会の論文
1989-02-25